Range hood and control method thereof

The invention belongs to the technical field of electric appliances, and particularly discloses a range hood and a control method thereof. The range hood comprises a machine shell, a draught fan and a noise reflection assembly. The machine shell is provided with a smoke suction port and a smoke exhaust port. The fan is installed in the machine shell and located between the smoke suction port and the smoke exhaust port, and a smoke inlet channel is formed between an air inlet of the fan and the smoke suction port; the noise reflection assembly is installed in the smoke inlet channel and comprises a reflection plate and a rotation driving part, the rotation driving part can drive the reflection plate to rotate so as to adjust the reflection included angle between the reflection plate and the horizontal plane, and the reflection plate is used for reflecting operation noise transmitted by the draught fan in the direction away from the smoke suction opening. And a condensation structure is arranged on the reflecti