The redness and swelling of the male coronal groove can be seen in the circumcision, trauma, etc. Inflammation is mainly caused by the circumcision, circumcision and infection, and need to consult a doctor in a timely manner. The redness and swelling of the male coronal groove can be seen in the circumcision, mainly due to the long foreskin, foreskin flap, foreskin scale and other inflammation, resulting in male coronal groove redness, swelling, pain, itching and so on. Trauma, such as masturbation or external blows to the glans, can also cause redness and swelling in the male coronal sulcus, often accompanied by obvious pain. No matter what kind of situation caused by the male coronary groove redness and swelling, should be timely medical care, daily life, pay attention to pubic hygiene, change underwear, pay attention to rest, strengthen nutrition.