Although the main inorganic salt component of bones is calcium salts, the claim of taking large amounts of calcium tablets to promote early healing of fractures is lacking in scientific basis. Because the body needs a certain limit of calcium salts in the metabolic process, the calcium salts consumed in a normal diet can generally meet the physiological needs. When a large amount of calcium tablets are taken, except for a small portion absorbed by the intestines, the excess is excreted in the feces. Furthermore, fractures are mostly caused by trauma or other pathological factors and are not caused by calcium deficiency in the body. On the contrary, after the fracture occurs, the broken end of the fracture will also release a large amount of calcium. At the same time, due to the prolonged bed rest and a certain range of immobilization of the injured foot, it is easy to cause systemic or local skeletal disuse decalcification. These two kinds of lost calcium salts can form free calcium is absorbed into the blood, so that the blood calcium content is increased, blood calcium is metabolized by the kidneys into, at this time the intake of a large number of calcium, will inevitably increase the metabolic burden of the kidneys. Moreover, the patient is bedridden for a long time, the kidneys are often in a low-temperature state, the urine discharge is not smooth, so that too much calcium salt crystals deposited, it may occur urinary tract stones, this adverse effect is not uncommon in life. In addition, a large amount of calcium intake can also cause gastrointestinal symptoms such as reduced stomach acid, loss of appetite, indigestion and vomiting and diarrhea, and these adverse reactions can easily favor the nutritional disorders of patients, which in turn can affect the healing of fractures. Therefore, it is not beneficial to take too much calcium tablets after a fracture, and patients with fractures are advised to take dietary supplements according to the situation.