DMD, or pseudohypertrophic muscular dystrophy, may be caused by an abnormality of the X chromosome Xp21.1-Xp21.3. Pseudohypertrophic muscular dystrophy is an X-linked recessive myopathy originating in muscle tissue, mostly X-linked recessive, and individually chromosomally recessive. The gene for pseudohypertrophic muscular dystrophy is located on the X chromosome Xp21.1-Xp21.3. Therefore, pseudohypertrophic muscular dystrophy may be caused by an abnormality of Xp21.1-Xp21.3 on the X chromosome. For those who suffer from Pseudohypertrophic Muscular Dystrophy, it is recommended to consult a doctor in time, and after the doctor’s consultation, relevant programs will be examined, and appropriate treatment methods will be formulated according to the patient’s specific condition.