The male coronal area is generally the coronal groove of the penis, which is located at the back of the penis, where the glans and the body of the penis meet. Coronary groove is a circle of groove-like structure of the lower edge of the male penis, there are more nerve cells around the distribution, very sensitive, in the process of male sexual intercourse, will stimulate the coronary groove helps to achieve orgasm and then ejaculation, in addition to the coronary groove does not have any other obvious role. Coronary groove due to the structure of the reason will easily lead to the accumulation of thick foreskin, which will easily cause infection, especially in the long foreskin, foreskin or other problems caused by the inability to thoroughly wash will be very prone to inflammation and infection, therefore, in daily life, men should pay attention to the coronary groove of the clean, wash underwear diligently, to avoid the occurrence of inflammation and infection. When the patient’s coronary region appears inflammation infection, should go to the hospital in time, under the guidance of the doctor for treatment.