The surgical procedure of the second stage of dental implant mainly involves incision of the gums, exposure of the tip of the implant, screwing down the healing cap and replacing it with a gingival molding abutment. Dental implant surgery is usually completed in two phases, the first phase of surgery under local anesthesia to incise the gums of the missing teeth area, expose the alveolar bone, step by step preparation of the cavity, implant placement, and suture the gums. The second stage of dental implant surgery is usually carried out 3-6 months after the first stage of surgery after the end of the healing period, the main process is to wait for the implant and bone healing, under local anesthesia in the implant area of the proximal and distal alveolar ridge on the top of the all-open mucoperiosteal flap, exposing the top of the implant, screwing down the closure screws, screwed into the gingival molding abutment, the lip or buccal, lingual side of mucoperiosteal flap as an additional incision, the excess mucoperiosteal flap filling to the gingival papillae of the sides. papillae, and finally sutured. Surgery should be performed in an authorized hospital, preoperative preparation should be actively done, patients should pay attention to the maintenance of oral hygiene, and follow the doctor’s instructions for post-surgical treatment and care.