Bone loss in young people, i.e. calcium loss, can be caused by diseases, medications, low physical activity, dietary factors, etc., and should be treated according to the cause of the disease. 1. Disease factors: Patients suffering from hypothyroidism can lead to an increase in calcium loss, which can be treated with levothyroxine and active calcium supplementation. 2. Drugs: When using drugs such as diuretics such as furosemide, anti-tumor drugs such as anastrozole tablets, calcitonin, etc., can lead to calcium loss, should be based on the condition of the patient, under the guidance of the doctor to change the drug or calcium supplementation, such as the use of calcium tablets, calcium-rich foods, etc., to carry out treatment. 3. Low physical activity: lack of physical activity can lead to calcium loss, and should be actively engaged in exercise, sun exposure, vitamin D supplement and calcium tablets to supplement calcium. 4. Dietary factors: lack of calcium in the diet, or drinking a lot of carbonated beverages can lead to a lack of calcium or a large loss of calcium, due to a balanced diet, consume more milk, eggs and other substances to replenish calcium, and reduce the consumption of carbonated beverages. When the examination found that the young people bone loss, please go to the hospital in time, active treatment, so as not to miss the condition. The use of drugs need to follow the doctor’s advice.