Blood-letting puncture and cupping device

The invention belongs to the technical field of physiotherapy instruments, and particularly relates to a blood-letting puncture cupping device which comprises a cover body, a blood-letting puncture heating mechanism, a one-way valve and a plurality of sealing covers, and the blood-letting puncture heating mechanism comprises an installation body detachably connected with the cover body, a blood-letting puncture needle connected to the installation body in a penetrating mode and a heating piece; air in the cover body is exhausted through the one-way valve and used for cooling the heating piece to form negative pressure in the cover body. The puncture needle can be separated from the installation body and can be arranged on the cover body in advance through the installation body, the puncture needle is separated from the installation body after puncturing skin, the sealing cover blocks a through hole left after the puncture needle is separated from the installation body, the sealing performance is guaranteed, m