For 3-week-old babies with clear zinc deficiency, drugs such as zinc gluconate and zinc lysine gluconate may be prescribed. Babies with mild zinc deficiency or short-term insufficient zinc intake may have no obvious clinical manifestations or symptoms. For moderate zinc deficiency or long-term chronic insufficient zinc intake, etc., diarrhea, growth retardation, anorexia, behavioral changes, skin lesions on the limbs or around the mouth, and alopecia, etc., can take zinc supplements if the above symptoms occur and if the zinc deficiency is clearly diagnosed by a physician. Zinc supplements should be administered orally, and it is advisable to use zinc supplements that are easily soluble in water, easily absorbed, have a better taste, and have less adverse reactions. Zinc gluconate and zinc lysine are commonly used in the clinic. However, it should be noted that excessive zinc supplementation may cause acute toxicity, resulting in nausea and vomiting, anemia, neurological lesions, lipid metabolism abnormalities and other injuries. Zinc supplementation therapy should be carried out under the guidance and supervision of a clinician, and is not allowed to be carried out without authorization. The above medications should be used under medical supervision.