The 120km/h new-generation city-area A-type train serving the Hangzhou Asian Games is a comprehensive design achievement of low noise, high air tightness, and high comfort. OutlineFully welded airtight car body and driver's cab, the first end-to-end return air-tight air-conditioning unit, electric air-tight plug door, pressure wave protection device, high sound-proof air-tight passage and windows, six-layer vibration reduction Noise reduction chassis, mature bogie with excellent dynamic performance.It integrates network integration, intelligent operation and maintenance, intelligent temperature control, intelligent air supply, intelligent light control, and intelligent security. It is equipped with driver-assisted driving system, monitoring systems such as boundary/traveling department/pantograph-catenary/battery/rail geometric parameters/track inspection, driver behavior analysis/crowding degree display and other technologies. Customized appearance design， streamlined long front shape, beautiful shape and modern sense, smart and smooth lines, reducing aerodynamic resistance and improving aerodynamics. Appearance design patent has been obtained.The innovative design of the 120km/h new-generation city-area A-type train serving the Hangzhou Asian Games will attract more domestic and foreign tourists, enhance the international reputation and image of China's rail transit, and provide a window for the world to understand the development of Hangzhou and China's rail transit.Vehicle active safety, passive safety, intelligent safety and high RAMS index design.Adopt technologies such as lightweight car body and bogie, aluminum alloy brake disc, frequency conversion heat pump air conditioner, constant illumination lighting, new coronavirus elimination filter, air purification, temperature and humidity/CO2 concentration/PM2.5 air quality detection and device.