Loquat is a cool fruit. Aliases are also called Lu Ju, Lu Zhi, Jin Wan, Guo Yan and Jiao Zi. Loquat is different from most fruit trees. It blooms in autumn or early winter, and its fruit matures in spring to early summer, earlier than other fruits, so it is called "the only fruit tree that prepares for the four seasons".

Hot fruits: durian and black dates suitable for cold constitution; Warm fruits: mango, litchi, peach, longan, rambutan, peach, chestnut, Sakya, coconut meat, kumquat, dark plum, cherry, red date and plum (slightly warm) are suitable for cold constitution.

Flat fruit: suitable for passion fruit, lemon, guava, avocado, pineapple, grape, lotus, orange, sugarcane, papaya, olive, plum and Indian jujube.

Cool fruits: pitaya, pear, apple, carambola, mangosteen, grapefruit, strawberry and loquat are suitable for heat constitution.

Cold fruits: tomatoes (slightly cold), watermelons, bananas, kiwis, melons, grapefruit, oranges, persimmons, coconut juice and mulberries suitable for hot constitution.