If infected with the oral herpes virus, symptoms such as fever, headache, ruptured lesions and erosions can occur. Oral herpes to herpes simplex virus infection is common, can be divided into primary herpetic stomatitis and recurrent herpetic stomatitis , the symptoms of its performance are different. ⒈ primary herpetic stomatitis, this disease has four periods: (1) prodromal period: after 4 to 7 days incubation period can appear headache, fever, generalized muscle pain, fatigue and discomfort, sore throat and other acute symptoms. After 1 to 2 days the attached gingiva and marginal gingiva, oral mucosa extensive congestion and edema. (2) blistering period: oral mucosa showed clusters of small blisters, the size of a pinhead, the blister wall is transparent, thin and easy to ulcerate, and gradually form superficial ulcers. (3) Vesiculation period: small blisters ulcerate and cause extensive vesiculation, and secondary infection. (4) Healing period: after 7 to 10 days, the vesicles will gradually shrink and heal. Peck recurrent herpetic stomatitis: mainly manifested as clusters of small blisters in the mouth, lesions can appear itchy, burning pain, stinging, increased tension and other symptoms, the local area will also be ruptured, vesicles, scabs, general healing will not leave a scar. When the above symptoms appear, should promptly go to the hospital, let the doctor to give treatment.