Pineapple, also known as jackfruit and tree pineapple, belongs to tropical fruits. In Yunnan, people call it big tree pineapple. This plant not only has fruit effect, but also has edible value. Its nucleolus is flat, sweet and slightly sour, and it has the function of benefiting qi and promoting lactation. Pineapple is rich in starch, fatty oil and other ingredients, which can be cooked and eaten, and can also be used to cook lean meat and soup.