The financial problems of small and medium-sized enterprises have the representative role of the mainstay, and the financial problems have a common character. It is of practical significance to analyze the financial problems and give countermeasures. The author selects an enterprise engaged in, through in-depth participation in the work, gives an analysis from the global perspective from their own perspective, and gives countermeasures. The overall financial level of Z sanitation company is higher, and the level of financial personnel is higher, is a group of service enterprises, I hope to take this as a real case, to give some inspiration to the work of financial personnel.