Patients with hypertension combined with diabetes are advised to eat foods that are low in sugar, salt and fat and rich in high quality protein, such as coarse grains, vegetables, fish and milk. 1. Low sugar: staple food for diabetic patients is recommended to choose coarse grains, such as brown rice, quinoa, black rice, etc., which have little effect on blood sugar. 2. Low salt and low fat: sodium intake will aggravate hypertension, and high-fat food will aggravate vasculopathy, so patients with hypertension combined with diabetes mellitus should have a low-salt and low-fat diet, with less oil and salt in the cooking process. 3. High-quality protein: patients with hypertension and diabetes mellitus can increase the intake of protein in moderation to ensure the supply of essential amino acids, common foods are eggs, milk, meat and soy products. Patients with hypertension and diabetes can consult a nutritionist to develop an individualized diet plan under the guidance of a doctor.