Superficial peroneal nerve injury manifests itself in two main ways: sensory hypofunction and motor hypofunction. Superficial peroneal nerve injury is usually considered to be caused by trauma, entrapment, and medical injury. After superficial peroneal nerve injury, cutaneous sensory impairment is limited to the lower 2/3 of the lateral calf and most of the dorsal skin of the foot, because the neighboring cutaneous nerves can compensate rapidly, so in some cases, only cutaneous sensory hypoplasia. Superficial peroneal nerve injury, can appear peroneal long and short muscle paralysis, resulting in the foot can not be turned out, when the ankle dorsiflexion, the foot is turned inward posture. It is recommended that patients with the clinical manifestations of superficial peroneal nerve injury, go to the hospital in time, clear diagnosis, symptomatic treatment under the guidance of the doctor, to prevent the aggravation of the condition.