Portable sphygmomanometer with self-inspection function

The embodiment of the invention provides a portable sphygmomanometer with a self-inspection function. The portable sphygmomanometer comprises a cuff, a sphygmomanometer body The storage part is used for storing the cuff, and the inflation volume of the cuff is limited by the space size of the storage part; the portable sphygmomanometer comprises a sleeve belt and a main body part, the main body part comprises a point inspection part, the point inspection part is connected with the sleeve belt through an air pipe, and inflation or deflation of the sleeve belt contained in the containing part is controlled so that self-point inspection can be conducted on the portable sphygmomanometer. According to the embodiment of the invention, the inflation volume of the cuff is limited by the space of the accommodating part for accommodating the cuff, and the cuff of which the inflation volume is limited serves as an air tank for sphygmomanometer point inspection (correction), so that self point inspection (correction) of