The asymmetry of the two sides of the coronal groove may be a normal condition, or it may be caused by diseases. Coronary groove is the connection between the foreskin of the penis and the glans, coronary groove asymmetry on both sides but no local discomfort symptoms or other abnormalities, generally with the individual physique, their own development is related to the normal situation. Usually pay attention to local hygiene, wash with water every day. Some diseases such as torticollis, glans, etc. can also lead to asymmetry of the two sides of the coronal sulcus, when the patient’s glans, prepuce, coronal sulcus area may appear itching, redness, swelling and pain, and increased secretion, itching is generally more intense, can be a tingling sensation, and should be treated in a timely manner. When the two sides of the coronal groove are asymmetrical, the patient should consult the doctor in time to find out the cause and treat it actively.