Patients with sudden loss of cardiac function should have a reasonable dietary arrangement. Hyperlipidemia, unbalanced diet, diabetes and obesity are all related to dietary nutrition, so the nutritional factors are very important from the perspective of heart disease prevention and treatment. In principle, we should achieve “three low”, namely: low calorie, low fat and low cholesterol. Also pay attention to a small number of meals, three meals plus two snacks. Avoid overfilling of the stomach and intestines after meals and elevation of the diaphragm to compress the heart. For those who have paroxysmal dyspnea at night, it is advisable to advance the dinner time and not to enter food or water after dinner. Food should be easily digestible, preferably liquid and semi-liquid, such as rice porridge, lotus root powder, egg flower soup, milk, yogurt, fine noodles, cookies, sliced bread, etc. Avoid hard, cold, greasy and irritating foods, foods that are easily flatulent (such as sweet potatoes, potatoes, pumpkins, etc.). Pay attention to low salt. Keep it to 3 grams or less per day. If edema is obvious, urine output is reduced, shortness of breath, panic, and inability to lie down, a strict salt-free diet should be followed. Including salted vegetables, pickles, salted meat, soy sauce and all pickled products, are forbidden, in addition the amount of water should also be controlled. Forbidden or less food also fries, oil cake, moldy tofu, sausage, salted meat, bacon, smoked fish, sea fish, salted eggs, pickled vegetables, skin eggs, bean paste, soft drinks, beer, etc.. The following foods are recommended to eat less or not: 1, small pepper contains a lot of fat and cholesterol, affecting the heart vessels, easily lead to atherosclerosis. Fat-rich should not be eaten. 2, chili pepper tends to stimulate the gastrointestinal tract, leading to gastrointestinal discomfort, as well as affecting the absorption of nutrients in the stomach and intestines. Stimulating food should not be consumed. 3, sweet potatoes are easy to produce gas after consumption, leading to gastrointestinal distention, bloating, pain and other uncomfortable symptoms, but also affect the appetite, aggravating the condition. Easy to produce gas food should not be eaten.