Jujube: Strengthening the heart and strengthening the spleen, dilating blood vessels and enhancing myocardial contractility can quickly increase the oxygen content in the blood, so that the oxygen supplied to the heart will also increase, accelerate metabolism and improve myocardial nutrition, which is very beneficial to maintaining the heart. Tomato (tomato): It is rich in vitamin C and vitamin A, which can enhance people's physical strength and relieve fatigue caused by work and life pressure. In particular, lycopene has a protective effect on the cardiovascular system. Carrot: Carotene can increase the antioxidant effect of blood vessels in the body, effectively prevent poisons from entering the heart with blood, and is also an effective heart-protecting food. Cherry: Cherry has high iron content, which can promote hemoglobin regeneration and improve human immunity. Red beans: Eating more red beans in summer can relieve the symptoms of thirst and irritability in summer, especially at noon, when the "heart fire" is at its peak, it is easy to be irritable. Therefore, this stage is most suitable for eating red beans to avoid excessive heart fire. Grapefruit: The flesh is tender, juicy and refreshing, and tastes a little bitter, but it just meets the characteristics of favorite food. At the same time, grapefruit contains potassium, but does not contain sodium, which is the best fruit to maintain the cardiovascular system. Long summer nourishing heart recipe 1. Jujube longan porridge material: 40g of jujube, 50g of dried longan, 50g of rock sugar and a cup of glutinous rice. Practice: Wash red dates, dried longan and glutinous rice, add 8 meters of water to boil, then cook with medium and small fire until the rice grains are soft and rotten, and then add rock sugar. Efficacy: tonify the heart and spleen, nourish blood and soothe the nerves. It can regulate menstruation and is also suitable for people with high pressure and weak body. Second, tomato steamed egg material: tomato (tomato)100g, 2 eggs, a little water, a pinch of salt, and a short piece of chopped green onion. Practice: Peel the tomatoes and cut them into small pieces, add a little water and put them into a cooking machine to make juice, then heat them, and then fully break the eggs. Pour the tomato juice into the egg liquid, pour it into a bowl while stirring, skim off the foam, and sprinkle a pinch of salt to taste. The ratio of tomato juice to eggs is 2: 1. Finally, cover the lid and steam over low heat until it is solidified. Efficacy: eggs have the effect of calming the nerves and nourishing the heart. Lycopene in tomatoes has a protective effect on cardiovascular system. Third, red dates, lotus seeds and fungus soup materials: 42 lotus seeds, fungus San Qian, red dates, ice 10, 2 tablespoons of sugar. Practice: Wash lotus seeds, wash red dates and soak in water until soft and seedless. After the auricularia auricula is soaked in water and expanded, the thick part of the head is removed and cut into small pieces. Boil lotus seeds and red dates in five bowls of water, turn to low heat and cook for about 25 minutes, then add fungus and cook together, season with rock sugar after boiling, and let cool. Efficacy: Relieve summer heat, clear heart and cool blood, promote fluid production and quench thirst.