Symptoms in patients with peroneal muscular dystrophy vary greatly according to the severity, some patients may not have any obvious symptoms or only have bowed feet, and some patients may also show severe muscle weakness and atrophy. Peroneal muscular dystrophy, which usually starts in childhood or adolescence, is a hereditary peripheral neuropathy, which is characterized by symmetrical, chronic progressive muscle weakness and atrophy of the distal limbs, accompanied by decreased or absent tendon reflexes and sensory deficits. Muscle weakness and atrophy usually begin in the feet and lower legs, and patients may show symptoms such as foot drop, difficulty in running and walking, easy to trip, etc. Muscle atrophy in the feet may lead to hammer toe deformity and bowed feet, and if it involves all the muscles of the calf and the lower third of the thigh, it may appear as a “crane leg”, that is, the whole lower limb is in the shape of an inverted champagne bottle. As the disease continues to develop, muscle weakness and atrophy of the forearm and hand muscles can also occur, manifesting as difficulty in opening locks, fastening buttons and other hand movements. When the patient has the above symptoms and suspects the existence of peroneal muscular atrophy, it is recommended to consult a doctor in time to improve the relevant examinations, such as genetic analysis, muscle and nerve biopsy, electromyography, etc., so as to clarify the diagnosis of the disease, and not to make blind judgment on their own, so as to avoid delaying the condition.