Horseshoe foot, also known as foot drop, drooping foot, pointed foot, is a common deformity of the foot. It is characterized by the patient’s inability to land on the heel while standing or walking and holding the weight on the tip of the foot, with the heel hanging in the air, shaped like a horseshoe. The examination shows that the anterior plantar flexion of the foot is obvious, often combined with concave foot, Achilles tendon shortening, the foot completely can not dorsiflexion, this is the horseshoe foot. Preoperative care: 1, preoperative examination. 2, the affected foot skin preparation. 3.Prevention of falls. 4.Psychological care. Postoperative care: 1. Observe the fixation frame and fixation pins for loosening and tilting, etc. 2.Observe the condition of the affected limb: any nerve and vascular injury or compression, and pay attention to the blood flow of the toe end. 3.Keep the needle eye clean and dry, and pay attention to prevent collision. 4, instruct the patient to elevate the affected limb as much as possible to help eliminate swelling. Horseshoe foot etiology: 1, congenital: developmental malformation, deformity exists after birth, hereditary. 2, acquired: mostly by neuromuscular diseases (such as the sequelae of poliomyelitis, cerebral palsy sequelae, cerebrospinal bulge, spina bifida, neural tube closure insufficiency, spinal cord and peripheral neuropathy and injury, etc.) 3, foot trauma, bone and joint diseases: such as rheumatoid arthritis, long-term compression and improper fixation of individual lower limb fractures in paralyzed patients. Functional exercise: 1. Explain the importance of functional exercise to patients and their families, do not rely completely on surgical treatment and ignore functional exercise. 2.After awakening from anesthesia, the patient can be given dorsiflexion and abduction of the toes. 3. 1-2 weeks after surgery, the patient can get out of bed with the help of crutches and walk without weight bearing. 6-8 weeks after surgery, the patient can start to walk with weight bearing according to the situation.