Two main venous vascular systems spread across the puncture form such as intravenous injection, infusion (blood), and blood withdrawal. There is a clear sense of falling into the needle and the correct puncture has the return of blood. The same puncture site of the venous blood vessels and the skin can withstand hundreds of repeated bites without leakage. The venous blood vessels and the skin can be replaced, which is simple, practical and economical. The entire product has real and realistic operating characteristics, beautiful appearance, sustainable appearance, no deformation and disinfection, easy disassembly and mounting. Material: Virtual skin Package content: 1 Skin model Gift: 1 Infusion support 1 Infusion bottle 1 Blood flour 1 Syringe 1 Handbag(5) The entire product has real and realistic operating characteristics, beautiful appearance, sustainable appearance, no deformation and disinfection, easy disassembly and mounting. (4) Venous blood vessels and skin can be replaced, which is simple, practical and economical. (3) The same puncture site of venous blood vessels and the skin can withstand hundreds of repeated punctures without leakage. (2) There is a clear idea of falling into the needle and the correct puncture has the return of blood . (1) Two main venous vascular systems spread over the puncture form such as intravenous injection, infusion (blood), and blood collection.