Because of the existing problems in the business management mode of enterprises, this paper analyzes the reasons for their existence and proposes corresponding safeguard measures to optimize the business management mode. Firstly, the evaluation model of enterprise business management capability is constructed, 18 secondary indicators are established to form the index system, then the index weights are determined using AHP, and the index evaluation set is constructed using the fuzzy comprehensive evaluation method. Then, according to the calculated weight vector, the weight vector is synthesized with the affiliation degree to obtain the fuzzy hierarchical comprehensive evaluation results. Then, based on the evaluation model, the specific problems of corporate business administration and their causes are analyzed. Finally, specific reform measures are proposed for the problems. Nowadays, there are many problems in business administration in enterprises. Regarding company decision-making, 52% said that the annual plan and planning implementation is fuzzy, and 75% said their superiors do not explain work requirements clearly. Regarding the efficiency of the company’s organizational operation, 68% said that the current company departments are at the bottom of efficiency, and 60% said their usual work efficiency is not high. Therefore, it would be extremely relevant to conduct a study on the business management model of enterprises in this context.