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 (G2) of the fan is located between the center of gravity (G1) of the particle separator and the center of gravity (G3) of the battery , and the rotary shaft is parallel with a first reference line (L1) passing through the center of gravity (G1) 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 (G2) of the fan is located between the center of gravity (G1) of the particle separator and the center of gravity (G3) of the battery , and the rotary shaft is parallel with a first reference line (L1) passing through the center of gravity (G1) of the particle separator along the longitudinal direction of the first housing . <EOS>