Platanus acerifolia is not suitable as a street tree. It has no advantages except large crown, fast growth and easy survival. Many people's respiratory diseases are related to this tree. Long-term falling fluff and pollen at the turn of spring and summer have brought many inconveniences to people's walking and riding, especially many people have allergic reactions, and more people have symptoms such as itchy eyes, itchy throat and cough. Because it affects people's normal life, many countries in Europe and America have gradually eliminated this kind of tree more than ten years ago.