The invention discloses a method for cooking. The method comprises the steps that images of tableware and foods placed in an oven/microwave oven are acquired; according to the images of the tableware and foods, tableware types and food types are determined respectively; and according to the tableware types and the food types, corresponding cooking parameters are set to cook foods. The invention also discloses a device for cooking. According to the invention, the oven/microwave oven can automatically set cooking parameters so as to cook the foods, so that the foods can be cooked by the oven/microwave oven more conveniently.