People with diabetes should eat foods low in salt, fat and sugar. Do not eat greasy, sticky and porridge. A meal should be controlled within two ounces. Eat more vegetables and greens, mainly green leafy vegetables. You can fill your stomach with vegetables. Exercising for an hour after a meal is beneficial to lowering blood sugar after a meal, generally only for 30 minutes. Regular monitoring and active control of blood sugar are conducive to the prevention of cardiovascular and cerebrovascular diseases.