Yes, my grandmother's home is near Beijing Aerospace 73 1 Hospital, but this 73 1 is different from Beijing 73 1 Hospital, which was established on 1960. At that time, the Ministry of Space was called the Ministry of Industry VII, so the hospital was called the First Hospital of the Third Research Institute of the Ministry of Industry VII, or 7365438+. In addition to 73 1 hospital, there is also a line in Beijing called 73 1 bus ~ ~ ~ Baidu will know it ~ ~ ~ ~