Facioscapulohumeral muscular dystrophy is one type of progressive muscular dystrophy, the main manifestation is the same as other types of muscular dystrophy main manifestation, with obvious limb muscle atrophy and limb muscle weakness, however, facioscapulohumeral muscular dystrophy also has its own characteristics, that is, muscle atrophy and weakness to the face, shoulder and humerus muscles as heavy. Eye muscle weakness leads to poor eye closure, facial muscle, orbicularis oris muscle weakness leads to cheek showing teeth weakness; shoulder muscle atrophy, humerus muscle weakness leads to shoulder movement and upper limb movement abnormalities. The disease can affect the lower extremities over time, leading to squatting effort, walking swaying, and even limb paralysis in severe cases. The disease is autosomal dominant, and the chance of the next generation being inherited is 50%. In addition, the disease is inherited early, and the offspring have an earlier onset of symptoms than the previous generation.