There are planes in the pilot city of Shenzhen. The noise is between 60 and 80 decibels. Shenzhen pilot city is a comprehensive park, located in Baoan District, Shenzhen, next to Shenzhen Baoan International Airport. Because it is close to the airport, the surrounding areas of the pilot cities will be affected by certain aircraft noise, and the aircraft noise level is between 60 and 80 decibels. The decibel level will be different due to distance, building sound insulation and other factors. Aircraft is an aircraft that can fly in the atmosphere, one of the most important and common means of transportation in modern times, and also an important means for human beings to achieve fast and long-distance air travel.