With the development and expansion of financial holding companies in recent years, due to the lack of clear guidance of legislation, financial holding companies currently have various irregular behaviors, and they also have financial risks while seeking the most benefits. The supervision of the holding company is necessary. This paper mainly describes the development history and current situation of financial holding companies, puts forward the remaining problems of financial holding companies, analyzes the existing financial holding company’s supervision system, and puts forward suggestions on financial holding companies’ risk supervision.