Data expansion: Kiwifruit with red heart is an edible and medicinal fruit. Every 100g of fresh fruit contains vitamin C100-420mg, which is 5- 10 times higher than that of citrus, 0-113 times higher than that of lemon and 20-80 times higher than that of apple. Red-heart kiwi fruit is tender in meat, rich in aroma, sweet and refreshing in taste, extremely low in acidity, rich in nutrition, and delicious to watch and eat. It is rich in vitamins C, P, K, Ca, Mg, Fe, Cu and other minerals and 18 kinds of amino acids, especially the calcium content in trace elements ranks first in fruits, and it is known as "the fairy fruit in the world", "the king of fruits" and "the king of vitamin C", especially the calcium content in trace elements is high, so the calcium in fruits can be directly absorbed by the human body. Red-hearted kiwifruit is a new variety, which belongs to red-fleshed kiwifruit in China. It is a very early-maturing red heart variety. Its offspring have stable genetic characters, strong stress resistance, large fruit, sweet and delicious taste and good storage resistance.