The invention discloses a movable public shower device which comprises a base platform and a shower tank fixed to the top of the base platform. The portion, on the right side of the shower tank, of the base platform is provided with a shower device. A first groove part is formed in the bottom of the shower tank. The portion, above the first groove part, in the shower tank is provided with a settling groove and a sliding cavity. The settling groove is located in the middle of the left inner wall of the sliding cavity, and the right end of the settling groove communicates with the left end of the sliding cavity. A water bin is arranged in the sliding cavity. A bent rod is connected in the settling tank. A push shaft is connected between the bent rod and the left end of the water bin in a movable fit mode. A water storage chamber is arranged in the water bin. A second groove part is formed in the top of the water chamber. The left side inner wall and the right side inner wall of the second groove part are provided with guide grooves. A guide plate is connected between the guide grooves on the left and the right sides in a smooth fit mode. The movable public shower device is compact in structure and reasonable in design, the effect that water and essential oil are mixed more evenly is achieved, the working efficiency is improved, storage is convenient, and the occupied area is reduced.