Oral infectious diseases include oral herpes simplex zoster, oral condyloma acuminatum, oral herpes zoster and so on. 1. Oral herpes simplex zoster: this condition refers to the skin and mucous membrane disease caused by the herpes simplex virus, the clinical manifestations of fever, headache, generalized muscle aches and pains, accompanied by submandibular as well as cervical lymph node enlargement, tenderness and other symptoms. 2. Oral warts: the disease refers to a benign skin and mucous membrane organisms caused by the human papilloma virus, mostly caused by unclean oral sex, mostly in the lips, gums, back of the tongue, cheeks and other parts of the clinical manifestations of the affected area appeared in the pale white or flesh-colored papillary, cauliflower-like organisms. 3. oral herpes zoster: this is a herpes zoster virus infection caused by a disease involving the nerves and skin, and oral herpes zoster is relatively rare, the relevant clinical manifestations of the tongue blisters, tongue pain, oral ulcers and sore throat. The oral cavity is also part of the digestive tract, a variety of viruses, bacteria and other pathogens can be transmitted, it is recommended that people with the disease should be treated as soon as possible, usually to enhance their own physical fitness as well as pay attention to clean oral hygiene.