1-MCP (1-Methylcyclopropene) combine with ethylene receptor specifically,interrupting the normal combination of ethylene with its receptor,inducing the insensitivity of plant tissue to ethylene,thus prevent the synthesis of the endogenous ethylene and the inducement of exogenous ethylene.In order to discuss the mechanism of anti-diseases ability of kidney beans induced by 1-MCP,the variety "Jiangjun"was used to study the effect of 1-MCP on the postharvest diseases and relevant enzymes,