For the problem of how to do about periosteal cysts, usually for the treatment of periosteal cysts, it is mainly reflected in the following aspects: 1, for early cysts are relatively small and soft, most of them can still be pressed by both thumbs, most patients can still be pressed through. 2, some patients can be local puncture, fluid extraction, and injection of prednisolone acetate effect is also very good. 3, need to actively Surgical excision is usually performed under combined lumbar and rigid anesthesia or local anesthesia for periosteal cysts. The specimen after excision is sent to pathology, and local braking is required. It is very important to change the incision to prevent infection. However, it is important to note that although a periosteal cyst has been surgically removed, there is a possibility of recurrence.