Quadruple therapy is not antifungal. Quadruple therapy is a drug regimen against H. pylori infection commonly used in clinical practice today. Helicobacter pylori is a kind of bacterium specialized in parasitism in human stomach, micro aerobic, with bluntly rounded, spiral and curved ends, which can trigger the host to be infected with gastritis, gastric ulcer, duodenal ulcer, gastric cancer and other diseases, and cause gastric pain, stomach bloating, acid reflux, nausea, vomiting, loss of appetite and other symptoms. Fungal infections can be divided into superficial fungal infections and deep fungal infections, commonly used antifungal infections drugs are polyenes, such as amphotericin B, mycotoxin, etc.; triazoles, such as fluconazole, ketoconazole, itraconazole, voriconazole, posaconazole, etc.; echinocandins, such as carboplatinum fenpropanol, mikafenpropanol, and flucytosine and other drugs. Once a fungal infection occurs, it is recommended to consult a doctor for a clear diagnosis and targeted treatment. In addition, all of the above drugs should be taken under the guidance of a doctor and should not be used without authorization.