There is no ten-month-old baby calcium deficiency what to eat to make up the fastest, but can be supplemented by supplementing some calcium tablets or regulating the diet and other ways of calcium supplementation, and at the same time, more sunshine, promote calcium absorption. Due to the rapid growth of the child in infancy, the demand for nutrients is large, if you do not pay attention to calcium supplementation, it may lead to the occurrence of calcium deficiency, at this time you can supplement some calcium tablets. In addition to calcium tablets, babies with calcium deficiency can also eat some protein-rich foods, such as eggs and milk. In addition, the baby in the supplemental calcium, but also need to pay attention to sun exposure, can be one to two hours of outdoor activities every day, sun exposure helps the synthesis of vitamin D, at the same time help the absorption of calcium. After the baby is deficient in calcium, parents are advised to bring their children to the doctor in time and take vitamin D or other ways of calcium supplementation under the guidance of professional doctors.