Osteotriol is most effective when taken orally on an empty stomach or half an hour after a meal. 3 months is a course of treatment, and after 1 month of taking it, it needs to be stopped for 1 week. Osteotriol is one of the active substances after the degradation of vitamin D3, which is an end product of vitamin D. It is mainly synthesized in the kidneys and does not need to be metabolized by the liver and kidneys. The main function of osteotriol is to enhance the intestinal absorption of calcium and to promote calcium deposition in the bones, which is important for bone intake. It can be used for hypocalcemia caused by age-related osteoporosis and hypoparathyroidism. The use of osteopontin can significantly increase the calcium concentration in the blood and enhance calcium intake. People taking this drug need to have regular calcium and phosphorus ion checkups in half a month to avoid elevated calcium and phosphorus ions in the blood due to the drug and hypercalcemia syndrome or vitamin D toxicity.