The invention discloses a catharsis device for relieving psychological pressure. The catharsis device comprises a pile body, a control box, a base and a striking device, the control box is arranged at the bottom of the pile body, the base is located below the control box, a connecting base is arranged between the control box and the base, the pile body is sleeved with a latex leather sheath, a plurality of identification keys are arranged on the latex leather sheath, a loudspeaker is arranged on the control box, a rotary table is arranged at the top end of the control box and driven by a rotary motor arranged in the rotary table, and the top end of the rotary table is fixedly connected with the bottom end of the pile body. The pressure reducing device has the beneficial effects that the pressure reducing effect is provided by hitting the human-shaped pile body, cooperative assistance of sound can be provided while hitting is conducted, the pressure reducing efficiency is improved, through the rotating structure design of the pile body, the device can have certain interaction performance, and the boring feeling caused by long-term use is avoided; and by changing the color of light in the striking process, the visual striking effect is improved, the whole device has visual, auditory and tactile common interaction, and the pressure reduction effect is improved.