A sprayer, comprising: a sprayer body and a spray nozzle; wherein the sprayer body comprises an air blower, a sprayer casing, a container provided in the sprayer casing to accommodate the liquid and a power supply provided in the sprayer casing; the power supply is electrically connected to the air blower for energy supply; the spray nozzle comprises a transmission component and a fan blade assembly; wherein the fan blade assembly is connected to the transmission component; the fan blade assembly rotates with respect to the transmission component to create a vacuum inside the fan blade assembly, so that a liquid to be atomized under atmospheric pressure enters the fan blade assembly through the transmission component; and the fan blade assembly drives the liquid in the fan blade assembly to rotate so as to atomize the liquid and eject it from the fan blade assembly; one end of the air blower is connected to the sprayer casing, and the other end of the air blower is connected to the transmission component; characterized in that the sprayer further comprises a first tubular component and a second tubular component; one end of the first tubular component is connected to the transmission component, and the other end of the first tubular component is inserted into the sprayer casing, the liquid in the sprayer casing enters the fan blade assembly through the first tubular component and the transmission component; one end of the second tubular component is inserted into the air blower, and the other end of the second tubular component is inserted into the container; the second tubular component is used to pass a wind pressure generated by the air blower into the container, so as to result in a greater pressure in the container. a sprayer body and a spray nozzle; wherein the sprayer body comprises an air blower, a sprayer casing, a container provided in the sprayer casing to accommodate the liquid and a power supply provided in the sprayer casing; the power supply is electrically connected to the air blower for energy supply; the spray nozzle comprises a transmission component and a fan blade assembly; wherein the fan blade assembly is connected to the transmission component; the fan blade assembly rotates with respect to the transmission component to create a vacuum inside the fan blade assembly, so that a liquid to be atomized under atmospheric pressure enters the fan blade assembly through the transmission component; and the fan blade assembly drives the liquid in the fan blade assembly to rotate so as to atomize the liquid and eject it from the fan blade assembly; one end of the air blower is connected to the sprayer casing, and the other end of the air blower is connected to the transmission component; characterized in that the sprayer further comprises a first tubular component and a second tubular component; one end of the first tubular component is connected to the transmission component, and the other end of the first tubular component is inserted into the sprayer casing, the liquid in the sprayer casing enters the fan blade assembly through the first tubular component and the transmission component; one end of the second tubular component is inserted into the air blower, and the other end of the second tubular component is inserted into the container; the second tubular component is used to pass a wind pressure generated by the air blower into the container, so as to result in a greater pressure in the container.