Itching at the coronal groove, i.e. itching of the coronal groove, is usually caused by physiological factors (e.g. stimulation by prepuce scale, etc.) or pathologic factors (e.g. glansitis, contact dermatitis, etc.). If it is caused by physiological factors, there is no need to apply ointment, through daily cleaning and other ways to relieve; if it is caused by pathological factors, can be used locally to address the cause of the drug treatment. 1. Physiological factors: common such as phimosis caused by phimosis stimulation, phimosis dirt is not timely cleaning, may stimulate the coronal groove caused by itching symptoms. Patients need to carry out local cleaning, keep the local dry, and at the same time recommend circumcision surgery, which can prevent the accumulation of foreskin scale on the local itching. 2. Pathologic factors: (1) glans inflammation: by infection, trauma or local stimulation can cause inflammatory diseases of the glans or foreskin, in which Candida or Malassezia infection is the most common, often manifested as redness, swelling and ulceration of the glans at the coronal groove, accompanied by itching, pain and so on. Treatment should first keep the local clean, dry, if the candida or Malassezia and other fungal infections, can be applied locally miconazole cream, etc.; if necessary, need to be under the guidance of the doctor oral antifungal drug treatment; in addition to the glans patients sexual partners need to be examined and treated at the same time, to prevent cross-infection between sexual partners. (2) contact dermatitis: due to contact with sensitizing substances (such as condoms or other local contacts), allergic phenomenon, resulting in itching symptoms of the coronal groove. Can be applied under the guidance of the doctor glucocorticosteroid drug topical treatment, such as mometasone furoate cream, etc., to improve the itching and redness of the skin and other symptoms, if necessary, need to take oral antihistamine medication. It is recommended that patients with itchy coronary groin go to the hospital in time for a clear diagnosis, and follow the doctor’s instructions to standardize the treatment.