Emergency rescue method and emergency rescue system for collapsed building

The invention provides an emergency rescue method and an emergency rescue system for collapsed buildings, and relates to the technical field of emergency rescue. The emergency rescue method for the collapsed building comprises the following steps that firstly, before the building collapses, a detection unit foreknows vibration sense information in advance, an alarm is given out through an alarm unit, and field personnel make a response according to an emergency unit; 2, after the building collapses, the rescue unit is used for detecting the position of a person, excavation and rescue are carried out, and medical care guarantee is carried out in time; thirdly, a temporary residence is built outdoors through a building unit, a rescue channel is provided, and a ground cushion pad is laid to cope with a secondary earthquake. According to different earthquake levels, the emergency unit can flexibly select equipment such as an emergency channel, an emergency protection compartment and an anti-explosion self-rescue