The duration of co-codone for children generally depends on the child’s physical condition and the severity of the disease, and generally takes about two years, depending on the individual. Co-codone is a hormone, which is effective in preventing bronchial asthma, but it also has certain side effects. Therefore, children should be closely monitored for growth and development when using this drug. In general, for children aged 2-4 years, the dosage should be given twice a day, once in the left and right nasal cavities, for a course of treatment in about 3 months, and the dosage can be reduced once every 3-6 months until the condition is stable and reviewed every 3 months, and a year without recurrence is considered a cure. For children older than 4 years old, 1 time daily, 1 time each for the left and right nasal passages. The medication is usually used for about 2 years, but if the child is in good health, the disease will be relatively shortened. In addition, it is recommended that the child pay attention to diet, regular work and rest, maintain a happy mood, actively carry out treatment and pay attention to regular review.