It is effective to take medicines such as compound chicken internal gold tablets, Niuhuang Qing stomach pill and Huanglian Shangqing pill to treat bad breath. The appearance of bad breath is related to a variety of factors, some people are caused by insufficient secretion of digestive juices, food in the stomach can not be digested in time and fermented in the stomach, these people can use compound chicken internal gold tablets for treatment. The main ingredient of compound chicken internal gold tablets is chicken internal gold, which has the effect of strengthening the spleen and opening the stomach, eliminating food and resolving stagnation. It can also promote the improvement of spleen and stomach functions, and after the indigestion phenomenon is perfected, the sour and rotten taste in the stomach will naturally be reduced, so bad breath can be improved. Some people have bad breath because of the fire in the stomach, you can use Niuhuang Qing stomach pill for treatment, Niuhuang Qing stomach pill is a common Chinese medicine, the main role is to clear the stomach and fire, laxative. For the gum swelling and pain, mouth and tongue sores, constipation, bad breath caused by the stomach fire is eliminated, can also improve the phenomenon of stomach heat. Huang Lian Shang Qing Wan has the function of clearing heat and detoxifying, antibacterial and blood circulation, and relieving pain. Huang Lian Shang Qing Wan can not only eliminate stomach discomfort, but also regulate bad breath caused by excessive stomach fire.