A high level of 25-hydroxyvitamin D is not a big problem and can be beneficial to the body. Vitamin D’s main role in the body is to promote intestinal absorption of calcium, which has a beneficial effect on the body, so high vitamin D levels can be beneficial to the body. In many provinces, especially light is relatively lack of provinces, the population’s vitamin D level is generally low, low vitamin D level of the population on the absorption of calcium there are certain obstacles, easy to appear osteoporosis, so for low vitamin D level of patients to be appropriate supplementation, supplemental vitamin D and active vitamin D, vitamin D level is high and do not worry about it, there is no problem, but instead of the body has certain benefits. The body has some benefits.