Pediatric postnasal drip syndrome, should actively treat the primary disease, such as rhinitis, etc., and symptomatic treatment, such as improving nasal congestion, promote nasal secretion discharge and other treatments. 1. Treatment for the cause: repeated colds, allergic rhinitis, sinusitis, etc. can cause pediatric postnasal drip syndrome. The above diseases should be actively treated to prevent post-nasal drip syndrome. For example, to strengthen the body to avoid repeated colds. Allergic rhinitis can be given oral loratadine anti-allergy treatment, sinusitis bacterial infection can be given oral amoxicillin clavulanate potassium anti-infection. 2. Improve nasal congestion: post-nasal drip syndrome is a common symptom of nasal congestion, can be given furosemide nasal drops to relieve nasal congestion, the use of time should not be more than 1 week, atrophic rhinitis or dry rhinitis is prohibited. 3. Promote the discharge of nasal secretions: post-nasal drip syndrome is mainly due to nasal purulent secretions through the nasal cavity backflow of the posterior wall of the pharynx caused by oral eucalyptus pinocin enteric soft capsule, this product can make to promote the dissolution of mucus, which will help the discharge of secretions. Children with postnasal drip syndrome should be treated reasonably under the guidance of a doctor and avoid self-medication.