If the mouth is swollen, generally speaking, according to the severity of the mouth injury, different clinical treatment methods can be adopted. If the mouth is swollen and accompanied by local soft tissue injury, local ice can be applied to reduce tissue exudation, and after 24 hours, hot aman pack is applied externally, blood circulation and stasis cream is applied externally, moxibustion strips are fumigated, and drugs such as swelling and pain, bruising and injury pills are taken orally to promote faster absorption of swollen tissues in the mouth. Second, if the patient’s mouth bruises more serious, accompanied by local muscle tears and active bleeding. At this time, patients need to perform local debridement, disinfection, suturing and hemostasis treatment as soon as possible. After surgery, local ice is given to reduce tissue exudation, strengthen anti-infection, rehydration, eliminate edema and other support. Generally, the swelling of the patient’s mouth can completely subside after 3-5 days.