The wires are aging. The Second People's Hospital of Nanyang City is a national third-class first-class hospital integrating medical treatment, teaching, scientific research, prevention, health care and rehabilitation of western medicine. Causes of aging and fire of electrical lines in Nanyang Second Hospital. At present, in order to accept more patients, large-scale medical equipment is increasing day by day. Many hospitals are willing to invest millions to buy advanced equipment instead of spending tens of thousands of yuan to update old production lines. There are many sporadic fires, which are difficult to manage. There are many fire sources in the hospital.