Gastric sinus biopsy takes about 3~5 working days to produce the result, but the exact time should depend on the local hospital. Gastric sinus biopsy is to enter the patient’s stomach through a gastroscope, take the mucosal tissue of the gastric sinus section for pathological section, and observe the morphological changes of the tissue cells and the changes of the glands under the microscope, so as to determine whether the gastric sinus section has abnormal proliferation of cells. The results of the pathology examination are usually available in 3 to 5 working days. Gastric sinus biopsy is suitable for checking chronic gastritis, gastric ulcer and other diseases. In addition, gastric sinus biopsy can also be performed on patients with localized mucosal changes or suspected malignant tumors. The exact duration of pathology examination should depend on the local hospital and the operating physician can be consulted.