Bad breath treatment: one, drink chrysanthemum tea, chrysanthemum is a relatively common flower, chrysanthemum dried tea, can effectively relieve bad breath, because chrysanthemum can clear the liver and eyes, detoxification and anti-inflammatory, on some of the halitosis caused by liver disease has a relieving effect. Second, rice water boiled and used to gargle, rice water has a certain anti-inflammatory, antiseptic, cleaning effect on the bad breath caused by unclean mouth has a relieving effect. Third, 2 grams of cloves, divided into several times in the mouth can relieve bad breath, chewing cloves can relieve bad breath caused by rising stomach fire or periodontitis. There are many reasons for bad breath, tooth decay, periodontal disease, gastrointestinal disease, etc. can cause bad breath. Chrysanthemum is cold in nature and should not be used by patients with physical weakness, spleen deficiency, stomach cold, or those prone to diarrhea. Clove is pungent and warm in nature and should not be taken by people with heat illness and internal heat of yin deficiency. Therefore, people with chronic bad breath are advised to look for the cause of the disease and treat it symptomatically.