Jackfruit (Latin name: jackfruit? Lamentations for Jeremiah) is a tropical fruit and the heaviest fruit in the world. It generally weighs 5-20kg, and the heaviest fruit is over 59kg. The pulp can be eaten fresh or processed into canned food, preserved fruit and juice. Seeds are rich in starch and can be cooked; Sap and leaves can be used medicinally to reduce swelling and detoxify; The pulp has the effects of quenching thirst, promoting lactation, invigorating middle warmer and benefiting qi; Jackfruit is a beautiful shade tree and street tree with neat tree shape, thick crown and strange fruit. A century-old jackfruit tree with golden wood and hard material can be used to make furniture and yellow dyes.

Pineapple (Latin name: Ananas comosus) is one of the famous tropical fruits. Its edible part is mainly composed of inflorescence axis with increased meat quality and flowers arranged spirally around it. Flowers are usually not strong, and persistent flowers are surrounded by lobes in a cavity in which atrophied stamens and styles are hidden. The fiber of leaves is very tough and can be used in textile, rope making, netting and paper making.