If the apical cyst is more extensive, implantation of bone powder is usually required after removal; if it is less extensive, filling of bone powder is not required, and it is sufficient to wait for the surrounding soft tissues to grow in. Apical cyst belongs to odontogenic jawbone cyst, is a chronic lesion of chronic periapical inflammation, if the lesion range is small, can be taken to root canal treatment, etc., usually do not need to fill the bone powder; if the lesion range is large, should be taken to surgical treatment, usually recommended to fill the bone powder, can reduce the loss of bone for the future to do the dental implant to do the preparation, but also be able to reduce the incidence of infection. If the patient has apical cysts, it is recommended to consult a doctor in time, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease, and symptomatic treatment.