2, cucumber can also play a very good role in lowering blood sugar, but also has the effect of lowering blood pressure and blood lipid. Diabetic patients can eat more cucumbers, which is good for their health. Bitter gourd is called insulin in plants, so it has a strong hypoglycemic effect. Fungal foods, such as mushrooms, not only contain a lot of trace elements, but also have the functions of lowering blood sugar, promoting digestion and appetizing. If you have diabetes, you can eat more mushrooms, which is also good for your health.