Indications for the use of antibacterial drugs in children’s colds are: there are clear indications of concurrent infections, such as bacterial culture of pathogenic bacteria; the fever does not subside after taking antiviral drugs; in order to prevent the occurrence of secondary bacterial infections in infants less than 6 months of age; the total number of leukocytes is obviously increased in the blood examination; those who often suffer from tonsillitis; those who have tracheitis (coughing, pus and sputum) or the signs of pneumonia. When using the drug, attention should be paid to the dose should not be too large, should not be taken for too long; pay attention to drink more boiled water, to promote the absorption and excretion of drugs; children under the age of 3 years of liver and kidney function is not yet mature, so attention should be paid to the selection of liver and kidney toxicity of small drugs.