There is no such thing as “fast removal”, the child’s throat phlegm may be physiological factors, can be improved by drinking more water, dietary adjustments, etc., but also may be pathological factors, such as respiratory infections, need to clarify the cause of the targeted treatment of medication. Children with phlegm in the throat may not drink enough water, resulting in the pharyngeal mucosa in a dry state, causing mild damage, so the pharynx is prone to produce secretions, there will be children with phlegm in the throat, especially when the climate is dry. Symptoms can be relieved by strengthening care, such as increasing water intake, eating a light diet, and maintaining a certain level of humidity indoors. Children with phlegm in the throat may also be due to respiratory tract infections, such as colds, pharyngitis, tonsillitis, bronchitis and other pathologic factors, resulting in inflammation of the respiratory tract, resulting in phlegm in the throat, dietary adjustments, to improve the indoor environment and other general treatments do not alleviate the need to actively go to the hospital for diagnosis and treatment, commonly used drugs such as aminoglutethimide. Children with symptoms of phlegm in the throat, to exclude physiological factors, should promptly consult a doctor in order to clarify the cause of the disease, under the guidance of the doctor to avoid delaying the condition.