A circle of red mouth is generally perioral dermatitis, belonging to the chronic allergic diseases, in addition to some with the lack of vitamins, or external long-term stimulation has a relationship. You should pay attention to not licking the perioral skin with your tongue, eat more fruits and vegetables, if you can’t eat vegetables, you can take oral multivitamin tablets to supplement vitamins, and at the same time, you can apply mucopolysaccharide polysulfate cream with stork ointment treatment, 2 times a day. Oral medication is generally anti-allergic to relieve itching, but it is not recommended to take orally, the effect is not too ideal, according to Chinese medicine may be related to spleen heat, it is recommended to take oral Chinese medicine to regulate for a period of time, the general treatment of 2-4 weeks can completely subside, during the treatment period, pay attention not to eat too hot or too spicy food.