Kidney bone tablets contain only one herbal medicine is oyster, can promote bone formation, can increase the bone calcium content and the width of bone trabeculae in osteoporosis. It also increases the serum calcium and phosphorus content, as well as the weight, diameter and bone density of the femur, so it has an anti-osteoporosis effect, maintains nerve conduction, muscle contraction, and enables capillaries to restore normal osmotic pressure. Can be used for this children, adults, like the elderly and other calcium deficiency caused by osteoporosis, osteomalacia, bone pain, muscle spasms, pediatric rickets, fractures after the use of patients is also more effective. But the drug must be taken after meals, if taken before meals may have a certain stimulation of the stomach, after taking may appear stomach discomfort, and must drink more water after taking.