Oozing from the mouth and lips often occurs in the occurrence of orofacial herpes or labyrinthitis, which is manifested by the initial localized often first burning, itching and flushing. Be aware of viral herpes, eczema, dermatitis, etc. Herpes labialis causes oozing of the mouth and lips, which is characterized by burning, itching and flushing at the beginning, followed by the appearance of dense clusters or groups of pinhead-sized blisters, which are smaller and more clustered than the primary blisters, rupture and vesicles, oozing, and gradually drying and crusting, which last for about 1 to 2 weeks, with temporary local hyperpigmentation after healing. Diagnosis of oral lip ooze caused by herpes: I. Diagnosis according to clinical manifestations Oral lip herpes often appears in the mucous membrane of the mouth and lips as small pinhead-sized blisters, often in a group, but also in two or three groups, with a mild burning sensation, which can heal itself in a week or so, and can also recur. If the herpes appears due to improper adjustment of the body’s immune mechanism, or breaks down and secondary infection occurs, it will prolong the course of the disease. The differential diagnosis of oral labial herpes Stomatitis is an inflammation of the oral mucosa that can spread to the buccal mucosa, tongue, teeth, palate and so on. It is more common in childhood, especially in infants and young children, and can develop simply or secondary to diarrhea, malnutrition, acute infections, prolonged illness and other systemic diseases. Stomatitis is mainly caused by bacteria, viruses and fungi, and is triggered by injury and infection or a decrease in systemic resistance.