Patients with bad breath can be treated symptomatically through medication and nursing care. Helicobacter pylori infection is a common cause of such adverse reactions, so patients can be diagnosed with the type of sensitive bacteria through C13, C14 breath test or other testing means, before choosing targeted antibiotics for anti-inflammatory treatment, such as metronidazole, furacilin, clarithromycin, etc. In addition, proton pump inhibitors, gastric mucosal protective agents, probiotics and other types of drugs can be used in combination therapy to relieve and improve the disease caused by the manifestations of the disease, such as gastric distension, nausea, vomiting, acid reflux, chest tightness, etc. Commonly used types of drugs are Esomeprazole Magnesium Enteric Tablets, Gastrin Capsules, Bifidobacterium tetraureticum Tablets, etc. In addition to the standardized treatment, good life and dietary care measures also play a positive role in speeding up the recovery of patients and shortening the treatment time, such as a light diet, regular and adequate rest, and a balanced dietary structure.