Rice belongs to angiosperms and monocotyledons, and it is a food crop. Cinnamomum camphora is a subtropical tree species, a green tree species, an important timber and a special economic tree species. A very precious tree. Rice is suitable for high temperature and rainy climate and is very suitable for tropical growth. Cinnamomum camphora is suitable to grow in the subtropical zone, and it is light-loving, slightly shade-tolerant, warm and humid, not cold-resistant, and relatively humid. The main difference between them is that rice has stricter requirements on soil than camphor tree, camphor tree adapts to subtropical growth, and rice adapts to tropical growth.