Sperm head defects 100% belong to the manifestation of spermatozoa malformation, and patients need to do physical examination, laboratory examination, imaging examination and so on. 1. Physical Examination: During the physical examination, the doctor will check the abnormalities of the reproductive organs, the location, texture and size of the testicles, and the epididymis and vas deferens for nodules or absence, etc. In addition, the doctor also needs to check the scrotum for varicose veins and fluid accumulation. 2. Laboratory tests: patients need to undergo some laboratory tests, such as semen examination, sperm morphology analysis, chromosome analysis, etc. Such tests can clarify the severity of sperm deformities and sperm motility. 3. Imaging examination: commonly used imaging examinations include scrotal ultrasonography, etc. Scrotal ultrasonography can detect bilateral testes, epididymis, spermatic veins and other structures, so as to clarify whether there is a combination of reproductive organ diseases, etc. It is recommended that patients choose regular hospitals for examination. It is recommended that patients choose regular hospitals for examination, and actively cooperate with the doctor’s treatment after clarifying the cause of the disease, pay attention to rest in life, and avoid sedentary, high temperature baths, saunas and other behaviors.