Penile atrophy after penile injury is mainly related to the influence of local blood vessels and nerve function, and insufficient supply of nutrients to the corresponding tissues will cause the corresponding condition. Penile injury mainly refers to trauma, infection and other causes of abnormalities in the tissues around the penis, after the corresponding conditions, will affect the blood supply to the penis, and will appear abnormal nerve function, further leading to penile atrophy, easily caused by coitus abnormalities, and even affect their own urinary condition in serious cases. Apparent penile atrophy after penile injury, accompanied by obvious erectile abnormality, need to be promptly admitted to the hospital, after diagnosing the specific condition, under the guidance of the clinician to carry out standardized treatment, to avoid delays in the condition.