Foods do not have a role in the treatment of diseases, and therefore there is no best and fastest food to get rid of white phlegm. Foods only serve to replenish nutrients and promote the recovery of the body. Food does not have the ability to cure the disease, so if you want to get rid of white phlegm, you need to go to the hospital, to clarify the cause of the disease, and then the right medicine. If the cough and phlegm are caused by respiratory infections, you can take some medicine to relieve cough and resolve phlegm as prescribed by the doctor, such as orange red granules and syrup for acute branch. Combined with bacterial infection can be used according to the sensitive bacteria cephalosporin, amoxicillin, azithromycin and other anti-inflammatory drugs. If it is caused by asthma, you can nebulize inhalation of aminobromine hydrochloride, aminophylline, budesonide and other drugs to resolve phlegm, antispasmodic, asthma. In summary, to get rid of phlegm, it is best to go to the hospital to receive treatment. And food just plays the role of supplementation. Diet should be light and easy to digest, eat more food containing vitamins, minerals and proteins, and avoid spicy, cold, stimulating and greasy food.