Early warning method of mobile key business, and early warning device of mobile key business

An early warning method of a mobile key business disclosed by the present invention comprises the steps of selecting a key index from the to-be-selected business indexes of the mobile key business; extracting the data of a mobile key business data source from a bottom-layer interface, and adding the extracted data in a key index list according to the key index and a preset format; calculating the predicted values of the key indexes by the business data corresponding to the key indexes in the key index list; calculating the key index fluctuation ratio corresponding to the predicted value of each key index, and determining whether the key index is warned by the key index fluctuation ratio. The present invention also discloses an early warning device of the mobile key business. According to the present invention, the system problem can be discovered actively, the labor cost is reduced, and the early warning capability and management efficiency are improved.