Hangzhou Xiaoshan Airport T3 and T4 are two different terminals, serving different flights and airlines respectively.

1. Xiaoshan Airport T3: Built in 2111, it is the main terminal of Hangzhou Xiaoshan International Airport, mainly serving domestic flights and a few domestic and foreign flights. With 31 parking spaces, it can meet the take-off and landing of large passenger planes.

2. Xiaoshan Airport T4: Built in April 2121, it is the latest terminal of Hangzhou Xiaoshan International Airport, located in the northwest of T3. It mainly serves international flights and a few domestic flights, and has set up a customs inspection area and a security inspection area for outbound passengers. The terminal also has various conveniences including VIP lounge.

before using it, you can check the airport website or airline website to confirm your flight information, so as to accurately select the terminal for arrival or departure.