The generic name of Gaisanchun is Osteotriol Soft Capsules, and the dosage for different diseases varies from 3 times a day, once every other day and once a day. Osteotriol soft capsule belongs to vitamin drugs, is a kind of vitamin D with direct activity, can regulate blood calcium, blood phosphorus, mainly used in the treatment of postmenopausal osteoporosis, chronic renal failure, hypoparathyroidism, vitamin D-dependent rickets and other diseases. 1. Postmenopausal osteoporosis: the recommended dose is 0.25ug each time, three times daily. Blood calcium and creatinine concentrations should be monitored at the 4th week, 3rd month and 6th month after taking the drug, and every six months thereafter. 2. Chronic renal failure: the initial daily dose is 0.25ug, and 0.25ug every other day is sufficient for patients with normal or slightly decreased blood calcium. If there is no significant improvement in biochemical parameters and condition within 2~4 weeks, the daily dosage of Gaisanchun should be increased by 0.25ug every 2~4 weeks, and blood calcium should be measured at least twice a week during this period. The optimal dosage for most patients is between 0.5 and 1.0ug per day. 3. Hypothyroidism and rickets: The recommended starting dose is 0.25ug daily, taken in the morning. If there is no significant improvement in biochemical parameters and condition, the dose should be increased every 2 to 4 weeks. During this period, blood calcium concentrations should be measured at least twice daily. Poor absorption is occasionally seen in hypoparathyroidism, so higher doses are needed in such patients. Or follow your doctor’s instructions. Of course, different manufacturers, different conditions, take different doses of drugs, it is recommended to go to a regular hospital, under the guidance of the doctor standardized treatment, so as not to delay the condition.