Guava, also known as "passion fruit", is planted in all areas of Lianjiang City, with Helun Town as the main production area. Among them, the Fengdang Village Committee of the town covers an area of more than 2000 mu, which is a real guava village. It is said that guava has the effect of preventing and fighting cancer. The flesh of guava fruit is tender, crisp, sweet and refreshing, and it is not greasy to eat often. It is the best fruit for beauty and health care. Guava has therapeutic effects on treating diabetes and lowering blood sugar, and its leaves can also treat diarrhea.