The electrical wiring is aging. Nanyang Second People's Hospital, a national tertiary-level hospital, integrates Western medicine, teaching, scientific research, prevention, health care, and rehabilitation. The cause of the fire in Nanyang No. 2 Hospital was the aging of electrical circuits. Aging electrical circuits and overloaded electricity. In order to accommodate more patients, hospitals are increasing the number of large-scale medical equipment. Many hospitals are willing to invest millions to purchase advanced equipment rather than spending tens of thousands of dollars to update outdated circuits. There are many sporadic fires and it is difficult to manage. There are many fire sources in hospitals.