The invention discloses a steam cabinet, which comprises a cabinet body, a plurality of inner containers, turnover doors, a steam pipeline and a steam generator, wherein the inner containers are arranged in the cabinet body from top to bottom, the steam generator is installed below the cabinet body, one end of the steam pipeline is communicated with the steam generator, and the other end of the steam pipeline is respectively communicated with each inner container, a drain pipe is respectively arranged in each inner container, the turnover doors are respectively pivoted with the lower ends of the inner containers, the steam cabinet also comprises a plurality of elastic devices, each elastic device comprises a spring case, a spring and a connection piece, wherein the spring cases are respectively fixed on the two side walls of the inner containers, and the springs are installed in the spring cases, one end of each spring is fixed with the in sides of the spring cases, the other end of each spring is extended out of the spring cases and fixed with one end of each connection piece, and the other ends of the connection pieces are connected with the in sides of the turnover doors. The steam cabinet has good leak tightness, high steaming speed, and good steaming effects.