A cooking machine, comprising a cooking fume treatment system, the cooking fume treatment system comprising a sealed cooking cavity (E100, F100), cooking equipment (E101, F101) and a first cooking fume treatment device (E200, F200); the cooking equipment (E101, F101) being arranged in the sealed cooking cavity (E100, F100);wherein the first cooking fume treatment device (E200, F200) is provided with a first cooking fume inlet (E201, F201) and a first cooking fume outlet (E202, F202), the first cooking fume inlet (E201, F201) is communicated with the cooking equipment (E101, F101), and the first cooking fume outlet (E202, F202) is communicated with the sealed cooking cavity (E100, F100), wherein the first cooking fume treatment device (E200, F200) comprises: a box body provided with a water adding opening and a cooking fume channel formed therein, wherein an inlet and an outlet of the cooking fume channel are communicated with the first cooking fume inlet and the first cooking fume outlet respectively; a fan adapted for sucking cooking fume into the box body from the inlet of the cooking fume channel and exhausting the cooking fume out from the outlet of the cooking fume channel; a cooking fume filtering assembly arranged in the cooking fume channel; a miniature refrigerator provided with a refrigeration part arranged in the cooking fume channel; a water circulating pipeline provided with at least one first water outlet which is formed in a top portion of the box body and located above the cooking fume channel and at least one first water inlet which is formed in a lower portion of the box body; and a water pump arranged in the water circulating pipeline; wherein the cooking equipment (E101, F101) comprises a wok (E1011, F1011) and a wok lid (E1012, F1012) adapted for closing or opening the wok (E1011, F 1011); the wok lid (E1012, F1012) is provided with an air outlet hole (E1012a, F1012a); and the first cooking fume inlet (E201, F201) is connected with the air outlet hole (E1012a, F1012a) in a sealed manner so as to be communicated with the cooking equipment (E101, F101). wherein the first cooking fume treatment device (E200, F200) comprises: a box body provided with a water adding opening and a cooking fume channel formed therein, wherein an inlet and an outlet of the cooking fume channel are communicated with the first cooking fume inlet and the first cooking fume outlet respectively; a fan adapted for sucking cooking fume into the box body from the inlet of the cooking fume channel and exhausting the cooking fume out from the outlet of the cooking fume channel; a cooking fume filtering assembly arranged in the cooking fume channel; a miniature refrigerator provided with a refrigeration part arranged in the cooking fume channel; a water circulating pipeline provided with at least one first water outlet which is formed in a top portion of the box body and located above the cooking fume channel and at least one first water inlet which is formed in a lower portion of the box body; and a water pump arranged in the water circulating pipeline; a fan adapted for sucking cooking fume into the box body from the inlet of the cooking fume channel and exhausting the cooking fume out from the outlet of the cooking fume channel; a cooking fume filtering assembly arranged in the cooking fume channel; a miniature refrigerator provided with a refrigeration part arranged in the cooking fume channel; a water circulating pipeline provided with at least one first water outlet which is formed in a top portion of the box body and located above the cooking fume channel and at least one first water inlet which is formed in a lower portion of the box body; and a water pump arranged in the water circulating pipeline; wherein the cooking equipment (E101, F101) comprises a wok (E1011, F1011) and a wok lid (E1012, F1012) adapted for closing or opening the wok (E1011, F 1011); the wok lid (E1012, F1012) is provided with an air outlet hole (E1012a, F1012a); and the first cooking fume inlet (E201, F201) is connected with the air outlet hole (E1012a, F1012a) in a sealed manner so as to be communicated with the cooking equipment (E101, F101).