The invention discloses a calcium carbide pot vehicle capable of automatically opening and closing a door, relates to a calcium carbide pot vehicle, and solves the problems that existing calcium carbide pot vehicles waste time and energy in operation, has safety hazards and the like. A movable door of the calcium carbide pot vehicle capable of automatically opening and closing the door comprises a door plate rotating hinge base, a door plate and two parallel sliding door plates, wherein the sliding door plates outside the movable door are movably connected with the upper end part of a drive rod through a rolling pin shaft, and the middle part of the drive rod is movably connected with a drive rod fixed hinge base through a bolt pin shaft; two sides of a track operation vehicle body are located right under the movable door of the calcium carbide pot vehicle and fixedly welded with door opening and closing guide wheel supporting seat sliding ways respectively; each door opening and closing guide wheel comprises a guide wheel shaft, a turning wheel and a door opening and closing guide wheel supporting seat; and door opening and closing guide rails matched with the door opening and closing guide wheels are arranged outside two parallel operation vehicle tracks. The calcium carbide pot vehicle capable of automatically opening and closing the door is simple in structure, convenient to install and maintain, safe and reliable.