In fact, the recovery time of this facial plastic surgery is very fast and will not delay too much work and life. So how long does it take for the bone grinding operation to reduce swelling? Experts from Nanning Beauty Hospital said that the recovery period of bone grinding surgery can be fully recovered in about 3 months, and the recovery period of bone grinding surgery is about one week under normal circumstances after clinical bone grinding surgery. The recovery of bone grinding operation is also directly related to the surgical medical level of personal bone grinding operation and the improvement of personal comprehensive physique of beauty seekers in bone grinding operation treatment. The recovery period of bone grinding operation is most directly related to the actual operation method of bone grinding operation. Experts from Nanning Beauty Hospital introduced that bone grinding surgery is mainly aimed at the disease of mandibular angle hypertrophy. Generally speaking, the correction of mandibular angle hypertrophy can be divided into extraoral approach, intraoral approach and combined approach. Because the extraoral approach will leave obvious scars, it has been eliminated. Bone removal methods can be divided into mandibular angle arc osteotomy, external plate splitting and mandibular angle grinding. Splitting the outer plate has a good effect on reducing the face shape, but it has an average effect on improving the mandibular angle. Mandibular angle grinding can remove the outer plate, improve the mandibular angle, with little damage and very high safety.