Wrist electronic sphygmomanometer

The utility model belongs to the technical field of medical instruments, and particularly relates to a wrist type electronic sphygmomanometer which comprises a storage box, a sphygmomanometer body is arranged in the storage box, a taking opening is formed in the upper end face of the storage box in a penetrating mode, and the upper end face of the taking opening is detachably connected with a sealing cover. A plurality of heat dissipation holes are formed in the right side of the storage box in a penetrating mode, a mounting opening is formed in the left side of the storage box, an air inlet is formed in the right side of the mounting opening, two motors are mounted on the left side of the partition plate, the output ends of the two motors are detachably connected with rotating shafts, and fan blades are mounted on the left sides of the two rotating shafts; a temperature and humidity sensor is installed at the upper end of the right side of the partition plate, and a controller is installed at the top end of