The two botanical gardens of the two houses are located in the western suburbs of Zhangzhou City, Hainan Province. It is a herb garden of the Chinese Tropical Agricultural University and the Chinese Academy of Tropical Agricultural Sciences. It covers an area of 32 hectares and was established in 1958. Another name of the two botanical gardens is Hainan Tropical Botanical Garden. Some scientific research sites are not allowed in. The species in the botanical garden are marked and explained, which is a good place to learn.