An automatic cooking machine includes: an upper portion provided with a connection port thereon; a control interface arranged to operably generate control commands based on a user's manipulations to control operation of the automatic cooking machine; a base; a heater arranged on the base; a supporting portion coupled between the upper portion and the base, and arranged to support the upper portion; a hopper for receiving materials and having a hollow feeding tube, wherein the feeding tube is detachably inserted into the connection port; a cooking pot capable of being heated on the heater; and a strainer capable of being placed in the cooking pot and receiving materials. The strainer is provided with holders and the side walls and the bottom of the strainer are provided with multiple filter pores. When the strainer is placed in the cooking pot, the holders expose outside the cooking pot.