Data on polyp recurrence and related factors, including gender, age, BMI, family history, smoking history, alcohol consumption history, gallbladder disease history, food allergy, polyp size, number, and pathological classification, Helicobacter pylori (Hp) infection, parathyroid hormone, gastrin, and blood lipid levels, were collected as exposure factors. The gene discussed is GAST; the disease is food allergy.