Children’s phlegm can not be resolved through dietary therapy, and there is no fastest and most effective way, can be based on the cause of the disease and follow the doctor’s advice to take drugs such as Ambroxol to resolve phlegm. Food can only play a role in supplying nutrients, when there is a lot of phlegm, you can eat some pear, apple and other fruits, to supplement the body with vitamins, to promote the health of the body. However, it is generally not possible to treat children with excessive phlegm through dietary therapy. When the phlegm is excessive, the cause of the illness (e.g., upper respiratory tract infection, etc.) needs to be clarified, and then medicines such as Ambroxol should be used under the guidance of the doctor to resolve the phlegm, and to promote the alleviation of the condition. When children continue to have phlegm, it is necessary to go to the hospital in time, under the guidance of the doctor for treatment, avoid unauthorized use of medication, to prevent triggering adverse consequences.