The gum grows with herpes commonly in the following cases: 1, suffering from periapical periodontitis around the roots of the teeth constantly secrete inflammatory substances, destroy the alveolar bone, break through the gum, forming fistulas, long-term untreated will make the epithelial tissue grow into the formation of sinus tracts. 2, wisdom teeth partially erupted in the far middle gum covering the jaw surface, the formation of periodontal pockets, in the role of bacterial infection caused by swollen gums, obvious bulge, sometimes secrete pus, send bad breath. 3.When infected by herpes simplex virus, clusters of pinhead-sized herpes appear on the gums and buccal and lingual mucosa, fusing to form large blisters, and the walls of the blisters are thin and the herpes fluid is clear, breaking down or exposing the trauma surface, forming vesicles or ulcers, sometimes tearing off the wall of the blisters in pieces.