Gingivoma occurs in the premolar region of the gingival papilla, the principle of gingivoma treatment is surgical resection, therefore, anesthesia is definitely needed, anesthesia is mostly used in local anesthesia, which ensures the effect of anesthesia to ensure the smooth implementation of the surgery. For most oral patients, when they hear of anesthesia, their minds will immediately react to the painful dental experiences of their childhood, or the unpleasant dental experiences they heard from their parents, friends and colleagues. In fact, with the modern medical technology and medical concepts of the updated development, there is no need to worry, painless comfort treatment technology, such as painless local anesthesia instrument, laughing gas sedation analgesia instrument, non-invasive absorbable sutures in the dental clinic is widely used to eliminate the concerns of patients, especially a new generation of painless local anesthesia instrument to use, to overcome the shortcomings of traditional syringes and early anesthesia of the local anesthesia instrument painless way.