Clinical blood sampling pad with adjustable height

The clinical height-adjustable blood sampling pad comprises a bottom plate, a fixing plate is fixedly connected to the top face of the bottom plate, limiting grooves are formed in the two sides of the fixing plate respectively, air bags are arranged in the limiting grooves, a supporting mechanism sliding up and down is arranged at the top ends of the air bags, and the fixing plate is fixedly connected with the bottom plate. The top end of the supporting mechanism penetrates through the fixing plate and is fixedly provided with an arm pillow mechanism. A pedal inflating mechanism for inflating the air bag is arranged at the bottom end of the air bag. Through the arrangement of the air bag, a medical worker can conveniently inflate the air bag in a pedaling mode through the pedaling inflation mechanism, the height of the arm pillow mechanism can be conveniently adjusted, the two hands of the medical worker can be liberated, height adjustment of the arm pillow mechanism can be rapidly completed, the height of th