Vitamin D deficiency in children can be treated with the following measures: First, children can be given more sunlight. The sun’s rays on children’s skin will help them synthesize vitamin D on their own and improve the symptoms of vitamin D deficiency. Because vitamin D deficiency can cause children to have occipital baldness, chicken breast, crying at night, poor sleep and other symptoms. Finally, children can be given vitamin AD drops. Vitamin AD drops include both vitamin A and vitamin D. Giving children this medication can also effectively relieve the symptoms of vitamin D deficiency, which is a chronic process and should not be rushed. The dose of vitamin D supplementation should also not be too high to prevent vitamin D toxicity.