Lotus is a common plant in Chinese society, but in Buddhism, it represents other meanings besides being a symbol of cleanliness and purity. This article starts with the original meaning of lotus, and then analyzes the symbolic significance of lotus in Buddhism, in order to deepen the intention of lotus. At the same time, the author also starts with the water and land paintings of Baoning Temple to interpret the connotation of lotus flowers from an image perspective,and then extends it to other images.