After rickets occurs in children, the early manifestations are sweating, crying, lethargy and easy to be surprised. Because the head sweats and itches, the child often shakes his head, resulting in baldness of the headrest. The above performance can only suggest that parents and children may have rickets and need to take their children to the hospital for further examination. They must not give their children a lot of vitamin D casually to prevent vitamin D poisoning. If the disease develops further, you can see that the muscles of the child are slack, especially the muscles of the abdominal wall and intestinal wall, which will cause flatulence in the child and cause the abdomen to swell like the abdomen of a frog. The most important change in children with rickets is due to the symptoms of skeletal lesions, which is a characteristic manifestation of rickets. For children under 6 months, gently press their occipital bone or parietal bone with their fingers, just like table tennis has a sense of elasticity; For children aged 8-9 months, the front fontanel is too large, and the fontanel cannot be closed before 18 months. 1 year-old, beaded shape can be seen on the chest at the joint of ribs and costal cartilage, which is called costal beading; There may be chest deformities such as sternal protrusion "chicken breast" and rib valgus. Because of the weakness of limbs and back muscles, children sit, stand and walk later than healthy children and are prone to fall down. /kloc-can walk after 0/year old, and the lower limbs bend inward or outward, showing "0" legs or "X" legs. In addition, children's teething is also delayed, which is prone to tooth decay. Vitamin D is an effective medicine for rickets. Generally, children can take vitamin D pills orally. Children who can't take orally or have loose bowels can be injected with vitamin D and supplemented with calcium under the guidance of a doctor. At the same time, let children get more sunshine, insist on breastfeeding, add complementary food in time and feed reasonably; In order to prevent deformity, don't let children stand and sit for a long time, and don't let children walk too early.