Usually multivitamin and trace elements tablets (29) are supplemental vitamins and trace elements, each tablet contains mainly vitamin A 5000 IU, folic acid 400 μg, zinc 15 mg and vitamin D 400 IU, etc., in addition to small amounts of vitamins and other trace elements. It has a good supplementation effect and supplementation effect for chronic kidney failure, chronic liver insufficiency caused by nutrition and absorption disorders, or chronic vitamin and trace element non-absorption caused by long-term abdominal pain, diarrhea, and absorption insufficiency of digestive tract, which triggers multivitamin and trace element deficiency. However, multivitamin element tablets (29) are not recommended for children and are routinely taken on top of adults, and should be reduced and halved appropriately when taken by the elderly.