In recent years, with the transformation and upgrading of electric power companies, basic financial management as an important starting point for the company's high-quality development has been paid more and more attention by the industry. Improving the basic financial management ability of electric power company is helpful to enhance the company's core competitiveness and promote the realization of the company's strategic goals. This paper analyzes the status quo and problems of the basic financial management of electric power companies, uses the 7S model to analyze the causes of existing problems, and puts forward related strategies to improve the basic financial management of electric power company, in order to provide practical guidance for the healthy development of electric power company.