Patients with multiple lacunar cerebral infarction need to pay attention to their diet. In the acute stage, if the patient has obvious swallowing dysfunction, cannot eat by mouth smoothly, and is accompanied by consciousness disorder, the patient should be given an indwelling gastric tube, and nutritious food should be injected from the gastric tube to ensure the patient’s physiological needs and additional daily energy consumption. When the patient is conscious and can eat by mouth, the patient should be given a liquid diet, and try to choose a light, easy-to-digest, high-calorie, high-fiber, high-protein diet, and try to choose a low-salt, low-fat diet. In addition, during the recovery period, patients should be given fresh vegetables and fruits, vegetables and fruits are rich in vitamin C, which can effectively slow down the development of vascular atherosclerosis.