Key abnormity identification processing method and system

The invention provides a key abnormity identification processing method and system. The method comprises the following steps: configuring at least one detection point for a key, acquiring key signal strength of the at least one detection point, presetting a key security level, and configuring the number of the detection points of the key corresponding to the security level; the method comprises the following steps: pre-configuring a key signal threshold value, acquiring key signals of a detection point, and judging the number of effective key signals of the key detection point according to the key signal threshold value; identifying a current key function trigger state, and analyzing a current key abnormality type in combination with the number of effective signals of the key detection point, the abnormality type including mechanical abnormality and functional abnormality; the method comprises the following steps of: pre-configuring a corresponding level safety protection strategy of each key abnormal type, f