Usually, how often the bone care injection needs to be selected according to the patient’s condition, can not be generalized, most patients about 3 months once, some patients can be greater or less than 3 months once. The usual injection time is related to the patient’s condition, in most cases, it is about three months to play a shot, the condition is mild, the pain is not obvious patients, the injection time can also be relatively longer. For patients with more serious conditions, the frequency of injections will be higher, and in severe cases, injections may even be required every month. Osteoprotective injections are used to inhibit bone resorption, reduce the release of bone matrix growth factors and inhibit tumor cells from adhering to the bone matrix by inhibiting the activation of osteoclasts and inhibiting the proliferation of immature osteoclasts, so as to achieve the effect of treating or alleviating bone diseases. Doctors will give advice on the timing of bone injections according to the patient’s condition. If there is any physical discomfort, it is recommended to go to the hospital for examination and treatment under the guidance of the doctor, so as not to delay or aggravate the condition.