A cleaning appliance comprising: a first housing provided in a hollow cylinder shape; a second housing fixed to a circumferential surface of the first housing along a longitudinal direction of the first housing and provided with an intake unit through which the air enters; a third housing provided on a circumferential surface of the first housing along the longitudinal direction of the first housing and provided with an exhaust hole; a first communication hole for communicating the first housing with the second housing; a second communication hole for communicating the first housing with the third housing; a fan provided to include an impeller located in the third housing, a rotary shaft to which the impeller is fixed, and a motor rotating the rotary shaft, moving the air supplied from the second communication hole to the exhaust hole; a particle separator provided inside the first housing to provide a path for guiding the air entering the first communication hole to the second communication hole, separating particles from the air by using a centrifugal force; a battery housing protruded from a rear surface of the first housing located in a direction opposite to a position of the intake unit toward a direction far away from the first housing; a battery provided in the battery housing, supplying a power to the motor; and a handle having one end fixed to a rear surface of the third housing located in a direction opposite to the position of the intake unit and the other end fixed to the battery housing, characterized in that: the center of gravity of the fan is located between the center of gravity of the particle separator and the center of gravity of the battery, and the rotary shaft is parallel with a first reference line passing through the center of gravity of the particle separator along the longitudinal direction of the first housing. a first housing provided in a hollow cylinder shape; a second housing fixed to a circumferential surface of the first housing along a longitudinal direction of the first housing and provided with an intake unit through which the air enters; a third housing provided on a circumferential surface of the first housing along the longitudinal direction of the first housing and provided with an exhaust hole; a first communication hole for communicating the first housing with the second housing; a second communication hole for communicating the first housing with the third housing; a fan provided to include an impeller located in the third housing, a rotary shaft to which the impeller is fixed, and a motor rotating the rotary shaft, moving the air supplied from the second communication hole to the exhaust hole; a particle separator provided inside the first housing to provide a path for guiding the air entering the first communication hole to the second communication hole, separating particles from the air by using a centrifugal force; a battery housing protruded from a rear surface of the first housing located in a direction opposite to a position of the intake unit toward a direction far away from the first housing; a battery provided in the battery housing, supplying a power to the motor; and a handle having one end fixed to a rear surface of the third housing located in a direction opposite to the position of the intake unit and the other end fixed to the battery housing, characterized in that: the center of gravity of the fan is located between the center of gravity of the particle separator and the center of gravity of the battery, and the rotary shaft is parallel with a first reference line passing through the center of gravity of the particle separator along the longitudinal direction of the first housing.