Kidney deficiency is recommended to be supplemented by the following methods: Firstly, it is recommended to supplement kidney deficiency through the adjustment of dietary structure. Parents should give their children appropriate food with the effect of tonifying the kidney and benefiting the qi, such as beef, chicken, glutinous rice, soybeans, jujubes, leeks, crucian carp, quail eggs, etc., which can help to help the children to supplement the deficiency of the kidney. Secondly, it is recommended to supplement through appropriate medication, such as taking Chinese medicines with the effect of tonifying the kidneys, such as six flavors of dihuang pills or Zuo Gui Pills, etc., and the specific dosage is strictly in accordance with the doctor’s instructions to ensure that the child’s medication is safe.