The 12-year-old boy is short and thin and does not like to eat, if there is indeed a calcium deficiency, you can eat milk, eggs and other foods to supplement calcium, if necessary, you can also follow the doctor’s advice for medication to supplement calcium treatment. 12-year-old boy short and thin do not like to eat, is caused by calcium deficiency, can be improved by adjusting the diet, such as usually pay attention to give the child to eat more rich food, such as milk, eggs, lean meat, shrimp and fish. If the effect of diet regulation is not good, you can follow the doctor’s advice to choose the drug treatment, such as can give the child to take calcium gluconate oral solution or calcium carbonate and other drugs. It should be noted that the 12-year-old boy is short and thin and does not like to eat, there may be other reasons, not necessarily all because of calcium deficiency. If the test calcium element is normal, there is no need for routine medication to supplement calcium. Need to consult a doctor to further clarify the cause of short stature and weak do not like to eat, and then targeted treatment.