However, its relationship with the prevalence of prediabetes and diabetes in the Chinese population, as well as with fasting blood glucose, fasting insulin levels, and insulin resistance-related indicators, remains unclear.<h4>Method</h4>This is a cross-sectional study based on the China Health and Nutrition Survey (CHNS), which uses Potential Renal Acid Load (PRAL) and Net Endogenous Acid Production (NEAP) to assess DAL. The gene discussed is INS; the disease is prediabetes syndrome.