Cost control directly affects the profitability, survival ability and core competitiveness of enterprises in the market. Therefore, cost control should be an important part of the innovation of enterprise financial management. Enterprises should strictly monitor the expenditure of costs to ensure that costs are within a controllable range, establish a cost management system according to the situation of the enterprise, and timely change the original plan according to the actual market situation and prepare countermeasures. While controlling costs, we should also pay attention to the profit situation of th thailand phone numbers e enterprise. First, formulate a scientific and feasible profit plan. Secondly, supervise the process of profit completion and solve the problems in time. Thirdly, we should summarize and verify the profit completion, analyze the situation and quality of profit completion, and analyze the reasons for reducing profit margins through data and reports, find new profit breakthrough points, discover more opportunities and potential, and provide guidance for the next work.