Liriodendron chinense is a large potted plant, which is suitable for hotel lobby, library reading room and museum exhibition hall, presenting a natural and harmonious green environment. In the shade of the courtyard and on the balcony of the building, you can also see spring, summer and autumn. It can bring fresh air to families who smoke. Leaves can absorb nicotine and other harmful substances from the smoky air and convert them into harmless plant-owned substances through photosynthesis. In addition, it can also reduce the concentration of formaldehyde by about 9 mg per hour.