Blue bottle means the color of the packaging bottle is blue, and the generic name is Calcium and Zinc Gluconate Oral Solution, which has the effects of calcium and zinc supplementation, as well as the role of adjuvant treatment of children’s osteoporosis, hand and foot twitching, bone dysplasia, developmental delay, loss of appetite, anorexia, and other disorders during the growth period due to a lack of calcium and zinc. Clinically, children need to take supplements according to their calcium and zinc deficiencies. Children with mild calcium and zinc deficiency can be improved by adjusting their diet; the use of children’s oral solution of calcium and zinc gluconate should pay attention to the supplementation of vitamin D at the same time, to promote the absorption and utilization of calcium, and usually go out more often to participate in activities and sunshine, which is conducive to the absorption of calcium and vitamin D synthesis. Oral solution is best taken between meals to reduce the stimulation of the gastrointestinal tract and help the absorption of calcium. Children with moderate or severe calcium and zinc deficiencies need to be supplemented with medications such as Children’s Calcium and Zinc Gluconate Oral Solution under the guidance of a doctor, and dietary adjustments are also needed. Some children may experience nausea, vomiting, constipation and other adverse reactions when taking Calcium and Zinc Gluconate Oral Solution. Long-term use of Calcium and Zinc Gluconate Oral Solution may cause an increase in the secretion of gastric acid, so it is necessary to control the duration of the medication and use it appropriately under the guidance of a doctor. The drug is contraindicated in patients with high blood calcium, high blood zinc, hyperparathyroidism.