1. Psychoneurological symptoms: excessive sweating, night terrors, crying, etc. The excessive sweating is not related to the climate. Due to the stimulation of sweat, the child often rubs the occipital area, forming occipital baldness or ring-shaped hair loss. 2. Bone iliac manifestations (1) Head. Cranial softening: an early manifestation of rickets, mostly seen in infants from 3 to 6 months. Bayannur City Hospital Pediatrics Department Hongxia Head deformity: “square skull”, “saddle head” or “cross head” large fontanel, late closure, can be as late as 2-3 years old before closing. Late teething can be delayed until 1 year old or 3 years old. In severe cases, the teeth are misaligned and the enamel is poorly developed. (2) Chest Ribs with beads. Thoracic deformity: pectus excavatum; funnel chest. (3) Extremities and crest The wrists and ankles are enlarged, forming rickets “bracelets” and “foot bracelets”. Lower limb deformity: “O” shaped leg (inversion of the knee) or “X” shaped leg (ectropion of the knee). Crestal curvature: there may be scoliosis or retroflexion deformity, serious cases can also be seen pelvic deformity (hip ectropion), female children with serious pelvic deformity in adulthood may cause difficult delivery. Other manifestations: late head raising, sitting, standing and walking, joint relaxation and over-extension, abnormal cerebral cortex function, slow formation of conditioned reflexes, and backward language development. Anemia.