What fruits should be eaten by patients with coronary heart disease should consider the characteristics of the disease. Firstly, high blood pressure, high blood fat and high blood sugar are the main risk factors of coronary heart disease, so patients should choose fruits with low sugar content and low calories to consume. Secondly, the main cause of coronary heart disease is coronary atherosclerosis, the occurrence of atherosclerosis is related to oxidation, vitamin C has antioxidant effect, so fruits rich in vitamin C may protect blood vessels. The control principle for patients with coronary heart disease is to control blood sugar, blood lipids and blood pressure to protect blood vessels. According to their control principles, the following issues should be noted when choosing fruits: 1. Choose fruits with low sugar content and low calories to reduce the impact on blood sugar and blood lipids. Fruits containing less than 10% sugar, such as grapefruit, orange, watermelon, prunes, strawberries, etc.; 2, choose fruits containing antioxidant substances, such as kiwi, fresh dates, citrus, hawthorn, rich in vitamin C, can effectively protect blood vessels, carotene is also an antioxidant substance, red and yellow fruits, such as mango, papaya, cantaloupe, rich in carotene. In addition, blueberries and mulberries are rich in anthocyanins, and tomatoes contain lycopene, which are good for preventing coronary heart disease. In short, low-sugar, low-calorie, vitamin C-rich foods are beneficial to patients with coronary heart disease.