First, orange. Common orange fruits in life are mango, orange, pineapple, papaya, orange and so on. These fruits contain natural antioxidant β-carotene, which can improve human immune function and protect the heart.

Second, red. There are also many red fruits, such as tomatoes and pomegranates, which also have good antioxidant effects and help us improve our immunity. Moreover, these fruits are low in calories, so there is no harm in eating more.

Third, purple and black. There are also many purple-black fruits, such as grapes, blueberries, strawberries and plums. These purple-black fruits are rich in vitamin C, which can enhance the body's resistance. But also contains many minerals such as potassium, magnesium and calcium, which plays an important role in maintaining the ion balance of human body.

Fourth, green. There are also many green fruits, such as kiwifruit and green apples. Lutein or zeaxanthin in green apples can protect our eyesight well. Therefore, when we eat fruits, we can choose suitable varieties according to their different colors, thus achieving better health care effects.