Residual soup-free self-pressure relief steam pressure cooker

The invention relates to high-temperature steam pressure cooking kitchenware, in particular to a hotcooker type cooker supplied with heat by steam. A cooker cover of the cooker is formed by superposing and knitting fibers of plant stalks or stems; the lower edge of the cooker cover has a circular section and the diameter of Phi50 to Phi30cm, and when placed on a cooker body, is in sealed contact with the inner wall surface of the cooker body; the upper end of a steam supply pipe of a steam distribution device is provided with external threads which are connected with internal threads at the top of a steam distribution cap inversely covered on the steam supply pipe; and steam distribution holes higher than the upper edge of the cooker body are radially uniformly distributed at the upper end of the steam supply pipe. The cooker of the invention ensures short cooking time, saves energy sources, avoids residual soup left in the steam supply pipe after a dinner, is sanitary and safe to use and widely applied to fo