Bone loss is a deficiency of calcium for some reason, and the lack of calcium reduces bone density. If decreased bone density occurs in middle-aged and elderly people, it can be diagnosed as osteoporosis, and in the case of adolescents who are developing, it can also lead to leg cramps due to calcium deficiency. Because the fetus needs calcium for growth and development, calcium absorption from inside the mother’s body leads to calcium deficiency causing bone loss in pregnant women, middle-aged and elderly people, pregnant women, and adolescents who are developing are more likely to have reduced bone mass. Some patients can eat more food with higher calcium content to relieve symptoms, such as sesame and peanut butter and beef, lamb, milk and eggs, etc. Food are foods with higher calcium content, which can replenish calcium and delay and treat bone loss. Calcium tablets can be taken under the guidance of a doctor for better results.