Azithromycin tablets 0.25g for children need to be used in the manner recommended by the drug insert, the dosage is calculated according to body weight as well as the type of disease, and is usually taken 1 hour before or 2 hours after a meal. 1. For the treatment of otitis media and pneumonia: on the 1st day, take 10mg/kg at once according to body weight (the maximum amount in a day should not exceed 0.5g). On the 2nd-5th day, take 5mg/kg per day according to body weight (the maximum amount per day should not exceed 0.25g). 2. For the treatment of pediatric pharyngitis and tonsillitis: 12mg/kg of body weight per day (the maximum amount per day should not exceed 0.5g). Patients with hepatic impairment should use the drug with caution. The efficacy and safety for pediatric otitis media, community-acquired pneumonia less than 6 months of age and pediatric pharyngitis or tonsillitis less than 2 years of age have not been established, and adverse reactions such as abdominal pain and nausea may occur after administration. The use of this drug is contraindicated in people who are allergic to this drug or the ingredient in the formulation, erythromycin. The specific dosage and usage of the above medicines should follow the doctor’s instructions, and should not be used on their own to avoid adverse reactions.