Calcium supplementation during menopause may take 1~3 months or even longer, it is impossible to generalize and should be taken according to the doctor’s prescription. Menopause is a natural physiological phenomenon that occurs from the reproductive period to old age, mostly at the age of 40 to 65. Currently, there is no authoritative information on how long to take calcium supplements during menopause, which depends on the actual situation and cannot be generalized. If the calcium deficiency is mild, calcium supplementation during menopause usually takes 1~3 months. However, if the calcium deficiency is severe during menopause, the supplementation period will be extended beyond 3 months. Therefore, there is significant individual variability regarding the duration of calcium supplementation during menopause. Moreover, if there is no sign of calcium deficiency during menopause, no additional supplementation is needed, and it is sufficient to maintain a normal daily intake. It is usually recommended that women over 50 years old maintain a daily calcium intake of 1000mg/d after menopause. In conclusion, people with calcium deficiency during menopause need to take proper calcium supplements under the guidance of their doctors and go to the hospital for follow-up appointments on time.