"Green, fresh, elegant and simple" is the main tone of the appearance design of plant air purifier. The design of the plant ecological air purifier is ingenious. It adopts a bonsai-style shape, with smooth and bright surface, smooth and simple lines, and elegant and fresh color expression, showing a fresh, natural, elegant and noble form of beauty. The internal plants are fresh, simple and beautiful as a whole, and they are very attractive no matter where they are placed. In addition to purifying the air, it also comes with aromatherapy function, which makes the air have a faint fragrance, which plays a role of meditation and makes people feel comfortable. The concept of ecological purification highlights environmental protection and health, and is more comfortable. Intelligent nursing technology used in the design of plant ecological air purifier. The machine panel of the plant air purifier can also be displayed synchronously with the designated mobile phone APP, real-time monitoring of temperature, humidity and air purification index, one key to realize the whole process of plant maintenance, the whole process of intelligent maintenance of plants in the machine, intelligent irrigation, intelligent extraction of indoor temperature and humidity, calculation of the cumulative water demand of plants, establishment of a plant water demand database, and automatic replenishment of water to plants. We only need to regularly add water, there is no need to water the plants twice alone. The structure of the plant air purifier is relatively simple. The whole machine adopts an easy-to-load structure, which is convenient for the loading and unloading of plants and the replacement of clear water.