A container data center includes a housing, a driving device, a gear device, and a rope. The hosing includes a sidewall, and the gear device and the driving device are received within the housing. The gear device includes a winding member, one end of the rope is connected to the winding member, and the other end is connected to the rotatable sidewall. The winding member is mechanically connected to the driving device, the driving device drives the winding member to wind or unwind the rope, and the sidewall is closed or opened according to the rotation direction of the winding member.