Qingguanglianwan has the effect of clearing the stomach and dispelling fire, and has a certain effect on the treatment of bad breath caused by excessive fire in the stomach, which can be effectively removed in about 1 week. There are many causes of bad breath, such as tooth decay, tonsillitis, chronic gastritis, etc. These causes of bad breath usually cannot be removed with the use of Stomach Clearing Yellow Lotus Pill. For the bad breath caused by tooth decay, the decayed part of the tooth should be removed and then filled to avoid the fermentation of food inside the cavity to produce bad smell. If the bad breath is caused by inflammation of the tonsils, it is necessary to keep the mouth clean, active antibacterial treatment, and if necessary, surgical removal treatment. If the bad breath is caused by chronic gastritis, acid suppression treatment is needed to improve the symptoms. In addition, the consumption of food with a large taste, such as onions, onions, garlic, etc. can also cause bad breath, usually should pay more attention to oral hygiene. The most fundamental way to treat bad breath is to find the cause of bad breath, and after removing the cause of bad breath can naturally disappear, but it is not recommended to take drugs blindly by themselves to avoid serious consequences.