[47] Dec. 9 2024,    colloquium, Hebei Normal University, Shijiazhuang, Hebei, China.

[46] Dec. 9 2024,    invited internal talk, Hebei Normal University, Shijiazhuang, Hebei, China. 

[45] Dec. 6 2024,    invited internal talk, Xiamen University, Xiamen, Fujian, China.

[44] Jul. 9 2024,    invited internal talk, Nanjing Normal University, Nanjing, Jiangsu, China. 

[43] Dec. 29 2023,    colloquium, Xinjiang Observatory, Urumqi, Xinjiang, China.

[42] Dec. 22 2023,    colloquium, Taiyuan University of Science and Technology, Taiyuan, Shanxi, China.

[41] Aug. 07 2023,    What is between the “visible” and “dark” galaxy?, Yunnan Observatory, Kunming, Yunnan, China.

[40] Jul. 19 2023,    What is between the “visible” and “dark” galaxy?, Xinjiang Observatory, Urumqi, Xinjiang, China.

[39] May 05 2023,    What is between the “visible” and “dark” galaxy?, Department of Physics, Zhejiang University, Hangzhou, Zhejiang, China.

[38] Jan.31 2020,    The “Corona” of Galaxies, FLASH talk at the National Optical Astronomy Obser- vatory (NOAO), Tucson, Arizona, U.S.A..

[37] Jan.21 2020,    What is beyond the “visible” galaxy?, Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, U.S.A..

[36] Oct.10 2019,    What is beyond the “visible” galaxy?, School of Astronomy and Space Science, Nanjing University, Nanjing, China. 

[35] Oct. 8 2019,    What is beyond the “visible” galaxy?, Shanghai Astronomical Observatory, Shanghai, China. 

[34] Sep.26 2019,    What is beyond the “visible” galaxy?, Department of Astronomy, Beijing Normal University, Beijing, China. 

[33] Sep.24 2019,    What is beyond the “visible” galaxy?, National Astronomical Observatory of China, Beijing, China. 

[32] Sep.23 2019,    What is beyond the “visible” galaxy?, Kavli Institute for Astronomy and Astro- physics at Peking University (KIAA), Beijing, China. 

[31] Sep.19 2019,    What is beyond the “visible” galaxy?, School of Physics and Astronomy, Sun Yat-Sen University, Zhuhai, Guangdong, China. 

[30] Sep.17 2019,    What is beyond the “visible” galaxy?, Department of Astronomy, University of Science and Technology of China, Hefei, Anhui, China. 

[29] Jun.13 2019,    X-ray view of the hot circum-galactic medium, “Astrophysics of hot plasma in extended X-ray sources” workshop, XMM-Newton Science Operations Centre, ESAC, Madrid, Spain.

[28] May 13 2019,    What is beyond the “visible” galaxy?, CHANG-ES workshop, TDLI institute, Shanghai, China. 

[27] Apr.19 2019,    A panchromatic view of galaxies, Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL, U.S.A.. 

[26] Apr.18 2019,    What is beyond the “visible” galaxy?, Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL, U.S.A.. 

[25] Jan.7 2019,    New Insights on Cosmic Ray Acceleration Based on Recent Observations of Broad-band Synchrotron Emission from Supernova Remnant and Galactic Scale Superbubble, Department of Astronomy and Steward Observatory, University of Arizona, Tucson, U.S.A..

[24] Dec.28 2018,    The Multi-Phase Circum-Galactic Medium, Huazhong Normal University, Wuhan, Hubei, China.

[23] Dec.28 2018,    The Hot Circum-Galactic Medium, Huazhong University of Science and Technology, Wuhan, Hubei, China.

[22] Dec.26 2018,    The Hot Circum-Galactic Medium, Purple Mountain Observatory, Nanjing, Jiangsu, China.

[21] Dec.24 2018,    The Hot Circum-Galactic Medium, Xiamen University, Xiamen, Fujian, China. 

[20] Dec.17 2018,    The Hot Circum-Galactic Medium, Tsung-Dao Lee Institute, Shanghai Jiaotong University, Shanghai, China.

[19] Dec.14 2018,    The Hot Circum-Galactic Medium, Hebei Normal University, Shijiazhuang, Hebei, China.

[18] Dec.13 2018,    The Hot Circum-Galactic Medium, Tsinghua University, Beijing, China. 

[17] Oct.30 2017,    The Hot Circum-Galactic Medium Around Massive Spiral Galaxies, Colloquium talk in Purdue University, West Lafayette, Indiana, U.S.A.. 

[16] Oct.26 2017,    The Hot Circum-Galactic Medium Around Massive Spiral Galaxies, Colloquium talk in University of Massachusetts, Amherst, Massachusetts, U.S.A.. 

[15] Sep.13 2017,    The Hot Circum-Galactic Medium Around Massive Spiral Galaxies, Colloquium talk in Arizona State University, Tempe, Arizona, U.S.A.. 

[14] Dec.16 2016,    Energy and Mass Budget of Nearby Galactic Coronae, Invited talk in Service d’Astrophysique, CEA, Saclay, Gif-sur-Yvette, France.

[13] Nov.21 2014,    Circum-galactic Medium Around Local Spiral Galaxies — A New Window to Understand Galaxy Evolution, Lunch talk in the Kavli Institute for Astronomy and Astrophysics at Peking University (KIAA), Beijing, China.

[12] Nov.12 2014,    Circum-galactic Medium Around Local Spiral Galaxies — A New Window to Understand Galaxy Evolution, Invited talk in Shanghai Observatory, Shanghai, China.

[11] Nov.10 2014,    Circum-galactic Medium Around Local Spiral Galaxies — A New Window to Understand Galaxy Evolution, Invited talk in Xiamen University, Xiamen, Fujian, China.

[10] Nov.6 2014,    Circum-galactic Medium Around Local Spiral Galaxies — A New Window to Understand Galaxy Evolution, Invited talk in Nanjing University, Nanjing, Jiangsu, China.

[9] Nov.5 2014,    Circum-galactic Medium Around Local Spiral Galaxies — A New Window to Understand Galaxy Evolution, Invited talk in the Purple Mountain Observatory, Nanjing, Jiangsu, China.

[8] Oct.23 2014,    Circum-galactic Medium Around Local Spiral Galaxies — A New Window to Understand Galaxy Evolution, Invited talk in Hebei Normal University, Shijiazhuang, Hebei, China.

[7] Jan.24 2014,    Circum-galactic Corona: an X-ray Probe of the Galaxy Formation Theory, Invited talk in the High Energy Astrophysics group of Max Planck Institute for Astrophysics, Munchen, Germany.

[6] Apr.12 2012,    Development of X-ray Astronomy, Invited talk in Nanjing University, Nanjing, Jiangsu, China.

[5] Mar.28 2012,    Development of X-ray Astronomy, Invited talk in Hebei Normal University, Shiji- azhuang, Hebei, China.

[4] Dec.6 2011,    Chandra Survey of Galactic Coronae around Nearby Edge-on Disk Galaxies, Lunch talk in Harvard-Smithsonian Center for Astrophysics, Boston, U.S.A..

[3] Nov.16 2011,    Multi-phase Halo of Nearby Edge-on Disk Galaxies — X-ray and Radio Obser- vations, Invited talk in the Purple Mountain Observatory, Nanjing, Jiangsu province, China.

[2] Nov.15 2011,    Chandra Survey of Galactic Coronae around Nearby Edge-on Disk Galaxies, Invited talk in the astronomy department of Nanjing University, Nanjing, Jiangsu province, China.

[1] Nov.11 2011,    Chandra Survey of Galactic Coronae around Nearby Edge-on Disk Galaxies, Invited talk in the Institute of High Energy Physics, Beijing, China.