Airfoil structure and flow control method thereof, aircraft and flow control test model

The invention discloses a wing-shaped structure and a flow control method thereof, an aircraft and a flow control test model, the wing-shaped structure comprises a main body and an air supply device, the main body is provided with a main flow channel, an air suction port and an air jet port, the air suction port and the air jet port are communicated with the main flow channel, and the air suction port and the air jet port are arranged in the wing chord direction of the wing-shaped structure; the gas supply device is arranged in the main flow channel, a nozzle of the gas supply device is arranged towards the gas spraying opening in the gas flow direction, and the gas supply device is used for outputting high-speed gas; the main flow channel comprises a mixing section and an expansion section which are arranged between the air supply device and the air spraying opening, the mixing section and the expansion section are sequentially arranged in the air flow direction, and the width of the longitudinal section of