The instruction manual of Tongjiao Rhinitis Granules does not specifically state how to take a four-year-old child, and the regular dosage in the instruction manual is to be taken with boiled water, 1 bag at a time, 3 times a day. It is recommended that children with the help of guardians, consult a professional pediatrician after reasonable use of medication. Tongkou Rhinitis Granules is a kind of proprietary Chinese medicine, with the efficacy of dispersing wind and fixing the surface, promoting the lungs and opening the orifices, mainly used for the treatment of wind-heat embracing the lungs, the surface of the deficiency is not fixed (the weakness of the surface of the muscle leads to abnormal sweating) caused by nasal congestion at times light and sometimes heavy, the nose is flowing clear or cloudy mucus, headache in the forehead, etc., but also can be used for chronic rhinitis, allergic rhinitis, sinusitis, the patients with the symptoms mentioned above. The adverse reactions and contraindications of Tongkou Rhinitis Granules are not clear, but it should be noted that patients who are allergic to the ingredients contained in Tongkou Rhinitis Granules are prohibited from using the drug, avoiding tobacco, alcohol, spicy and fishy food, and should not be taken at the same time to take nourishing traditional Chinese medicine. If you need to use Tongkou Rhinitis Granules, it is recommended that you consult a professional doctor and follow the doctor’s instructions to standardize the use of medication.