From August 1 to 4, 2019, the 11th China-Japan Friendship Neurosurgery Conference and the 3rd China-Japan Neurosurgery Alliance Conference, sponsored by Beijing Wang Zhongcheng Medical Foundation and China-Japan Neurosurgery Alliance, and jointly organized by Yuquan Hospital of Tsinghua University, the First Affiliated Hospital of Xinjiang Medical University and Brain Science Advances magazine, were successfully held in Urumqi, Xinjiang. More than 200 neurosurgical experts from China, including Academician Zhao Jizong (Chinese Honorary Chairman), Professor Zhang Liwei (Chinese Chairman), Professor Zhang Yuqi (Chinese Executive Chairman) and Professor Geng Dangmu Renjiafu (Chinese Organizing Committee Chairman) attended the meeting; More than 50 representatives from the Japanese side, including Prof. Motoaki Teradera (Chairman of the Japanese side), Prof. Toshihiko Wakabayashi (Executive Chairman of the Japanese side), Prof. Takamasa Yashiyama (Consultant of the Japanese side), Prof. Shubin Kawa and Prof. Yoko Kato, attended the meeting. Experts from China and Japan actively exchanged with each other in a harmonious atmosphere and shared friendship. On the basis of fully inheriting the fine traditions of the older generation of neurosurgeons, they jointly focused on new technologies and new developments. More than 70 experts made wonderful speeches at the conference, covering: (1) surgical treatment of complex intracranial aneurysms, brain-heart treatment, sellar tumors, brainstem tumors, skull base tumors, ischemic encephalopathy, functional neurosurgery, spinal spinal diseases, pediatric neurosurgery and prosthetic neurosurgery, etc.; (2) a new classification of glioma based on genetic diagnosis; (3) the therapeutic effect of new drugs for glioma; (4) Introduction to the clinical model of multidisciplinary joint and multimodal imaging; (5) The latest research and development achievements of neurosurgical applied devices.