In summer, whenever the guava in the countryside matures and hangs on the treetops, friends will be invited to climb to the guava tree at the head of the village after school and pick delicious guava by hand.

Modern research shows that guava leaves can soften blood vessels, lower blood lipid, blood sugar and cholesterol, which is similar to Ginkgo biloba leaves, and has the functions of anti-hypoxia and rapid fatigue relief.

Guava leaf tea is a simple product processed by farmers in some areas of Hakka in Guangdong. Its finished tea is pure and delicious, with rich aroma. It is mainly used for relieving summer heat in summer, and has the functions of clearing away heat and toxic materials, diuresis and diminishing inflammation.

Guava leaves on rural trees, when brewed with boiled water or boiled with white sugar in summer, can relieve summer heat, strengthen the spleen and stomach, leave fragrance on the teeth and cheeks after drinking, and can be drunk by men, women and children all year round.