Features：
1. The model has upper limb forearm and lower leg calf fracture trauma. the fracture has abnormal movement, angular deformity, and bone fricative after activity. The upper and lower limbs of the fracture need to be fixed with splints in time to prevent repeated activities from causing vascular nerve damage around the fracture
2. Practice fracture reduction method and fracture fixation method
3. Lower limb fractures can be used for bone traction nursing exercises and skin traction nursing exercises and care of fracture external fixation
4. Practice thigh trauma care, intradermal injection, intramuscular injection
