Disclosed is a blowing-suction device, comprising a housing； an air pipe extending along a longitudinal direction and connected to the housing； a motor located in the housing and providing rotational motion； and a fan rotationally generating an airflow； wherein when the fan operably rotates along a first direction, the blowing-suction device is in a blowing mode； and when the fan operably rotates along a second direction, the blowing-suction device is in a suction mode.
