Bones are always clicking, mainly including physiological reasons such as excessive joint activity and pathological reasons such as osteoporosis and arthritis. 1. Physiological reasons: there is lubricating fluid in the joint cavity of the patient, which can relieve the friction of the joints, but the cavity is not full of lubricating fluid, if the joints move too much, it will squeeze the air bubbles in the joint cavity, which will make a clicking sound. 2. Pathological causes (1) Osteoporosis: patients suffering from osteoporosis may also experience bone clicking, which may be accompanied by weakness, bone pain, fracture and other symptoms. Patients can take calcium supplements under the guidance of physicians, get more sunshine in daily life, and take appropriate physical exercise, which is conducive to alleviating the symptoms. (2) Arthritis: Patients suffering from arthritis may also experience bone clicking, accompanied by symptoms such as joint stiffness, pain, swelling, and limited movement. Patients can take drugs such as ibuprofen, celecoxib and other pain medications under the guidance of a physician for treatment. Bones always clicking, must promptly seek medical attention, identify the cause of the disease, and related treatment, so as not to delay the condition.