The invention discloses a cosmetic storage box convenient to clean. The cosmetic storage box comprises a tubular shell body. The positions, close to the bottom, of the outer walls of the two sides ofthe shell body are fixedly connected with inserting seats, inserting grooves are formed in the outer walls of the sides, away from the shell body, of the two inserting seats, inserting strips are inserted into the two inserting grooves, the outer walls of the sides, away from the inserting seats, of the two inserting strips are fixedly connected with a U-shaped bottom plate, the inner wall of thebottom of the bottom plate makes contact with the bottom end of the shell body, the outer wall of the bottom of the bottom plate is fixedly connected with multiple rubber filler strips with end face structures being isosceles trapezoids, multiple anti-skid grooves are formed in the outer walls of the bottoms of the rubber filler strips, multiple columns of round grooves distributed at equal intervals are formed in the inner walls of the two sides of the shell body, and the inner walls of the two round grooves in opposite positions are rotationally connected with the same cross rod through bearings. The storage box is used for storing cosmetics and can be conveniently detached by users, then the storage box is cleaned and settled, and the use convenience of the storage box is improved.