Patients with hypertension and diabetes should often eat foods with high plant protein content, such as beans, bean products, spinach, eggplant, sesame, fungus and laver. You should also eat some foods that can lower blood pressure and blood fat, such as celery, cabbage, radish, carrot, jellyfish, kelp, beef, surface fish, mandarin fish, snakehead and so on. Eat more foods rich in potassium and calcium but low in sodium, such as potatoes, taro, eggplant, kelp, lettuce, wax gourd and watermelon. Because potassium salt can promote cholesterol excretion, increase vascular elasticity, have diuretic effect and help improve myocardial contractility.