Vehicle dark current standard exceeding checking method and system

The invention discloses a vehicle dark current standard exceeding checking method and system. The method comprises the following steps: an intelligent fuse box obtains vehicle state information in real time and monitors whether the whole vehicle meets dormancy preparation conditions or not, if yes, the whole vehicle enters the dormancy preparation state, and the intelligent fuse box starts timing and monitors whether the dormancy preparation state of the whole vehicle reaches first preset time or not; if yes, the whole vehicle enters a complete dormancy state, the intelligent fuse box starts a dark current detection function, dark current of all controllers is monitored, and meanwhile whether the whole vehicle still meets the dormancy preparation condition or not is continuously monitored; if the situation that the dark current of the controller is abnormal is monitored , the data of an abnormal controller is recorded and stored ; and when it is monitored that the whole vehicle does not meet the dormancy prep