Azithromycin Dry Suspension, there are two ways of administration for pediatrics: i. 10mg/kg, 1 time/day, take 3 days and stop for 4 days as a course of treatment. Second, 10mg/kg orally on the first day, 5mg/kg orally on the 2nd-5th day, 1 time/day, take 5 days stop 2 days for a course of treatment. If the child’s mycoplasma infection is more serious can cycle 2-3 courses of treatment, for example, the weight of 10kg of pediatric can be 100mg/day, 1 time / day, 3 days stop 4 days, or the first day 100mg / time, 1 time / day, the second -5 days oral 50mg / day, 1 time / day.