There are several possibilities for gum pockets. 1. It is to sprout a new bud, in the process of sprouting a new bud, the gum will first bulge a pouch, then slowly break down, the gum then recedes to the surrounding of the tooth, exposing the tooth. 2. There are pockets in the gum, there may be redness and swelling of the gum, this is usually caused by periodontal disease, or due to periapical disease. 3. 4, the gum bag may also be the emergence of herpes, usually clusters of small blisters, this situation can generally choose antiviral treatment. 5, the gum bag may also be the emergence of tooth fracture, this situation is generally recommended to take a film examination, if the tooth root fracture is confirmed, generally according to the situation to choose to extract the tooth or do dental treatment and fixed.