Small and medium-sized enterprises public service platform(SMEPSP for short in the following paper) is a comprehensive service platform to provide services such as technology innovation, financing guarantee, business supporting and management consulting to small and medium-sized enterprise(SME for short in the following paper). This article is based on questionnaire surveys and interviews to those service departments who have participated the construction and operation of SMEPSP. After the statistics and analysis, we have firstly summarized the main features of SMEPSP of our country; Then we have analyzed the main existing problems of SMEPSP in construction and operation, such as repeated construction of hardware and software, weak coordination and integration of resources, and so on; At last, we have come up with a countermeasure that by establishing a national level total SMEPSP, adopt unified planning and top-level designing, to perfect the system construction of SMEPSP of our country.