Vein simulation injection auxiliary device based on medical nursing teaching

The invention belongs to the technical field of medical teaching instruments, and particularly relates to a vein simulation injection auxiliary device based on medical nursing teaching, which comprises a base, a water tank and a curved frame, wherein lifting rods are arranged at the four corners of the top of the base, a workbench is arranged at the tops of the lifting rods, and a rotating assembly is arranged in the middle of the top of the workbench; the water tank is arranged in the middle of the top of the rotating assembly, a circulating pump is arranged on one side of the water storage tank, supports are arranged on the two sides of the top of the water tank, fixing sleeves are arranged on the tops of the supports, simulation arms are arranged in inner cavities of the fixing sleeves, and simulation veins are arranged in inner cavities of the simulation arms. Connecting pipes are arranged at the two ends of the simulation vein and connected with the circulating pump and the water tank respectively, the s