Diabetic patients can eat river crabs from a dietary point of view, because river crabs as a kind of seafood, the sugar content itself is not very high, does not belong to the typical high glycemic index of food, so diabetic patients eat river crabs in the short term will not cause a very obvious impact on blood sugar. However, diabetic patients often combined with hyperuricemia or even gout, and river crabs also contain a lot of purine components, consumption will lead to elevated uric acid, if the diabetic patient’s own uric acid level is high, try to avoid eating river crabs, so as not to induce hyperuricemia or even gout.