Recent years , we have good cooperation in the field of space optics, imaging spectrometry, atmosphere remote sensing and inversion , with research institutes, universities with world leading research ability( NASA, the Canadian space agency, the French space center, the university of Washington and the university of central Florida, Glasgow university, the university of York in Canada, Quebec, Canada, the New Brunswick university, university of Darmstadt, Germany, the German photonics research institute, the German aerospace center, Germany remote sensing center, university of Bonn, Germany, the Chinese academy of sciences, space center of xi 'an optics engineer, remote sensing, atmospheric physics,, aerospace 508 institute, Beijing university, tsinghua university, etc. More than ten famous scientists came to visit xi’an Jiaotong university.Professor zhang also visit research institutes in Germany, Britain, United States, Canada, Singapore and other countries.