The whole plant air purifier adopts an easy-to-load structure, which is convenient for plant loading and unloading and water filling operation. The machine panel of the plant air purifier can also be displayed synchronously with the mobile phone APP to monitor the temperature, humidity and air purification index in real time, and realize the whole process of plant maintenance with one key. The use and maintenance of the plant purifier are very simple and convenient. It is only necessary to add water to the water position of the plant purifier. Plants can absorb water by themselves through the built-in device without watering the plants in the plant purifier twice, it is very convenient to use. The plant air purifier can also adjust the size of the air purification spray to ensure the freshness of the indoor air and ensure the circulation of the air.