An electric heating cooker with weighing function and a weighing control method thereof are provided. An electronic scale (5) with weighing function is added under the traditional electric heating cooker and stores cooking experience database and food information database. It solves the problem that users aren't accurate about the amount of water to add for a given weight of ingredient. And experience curve of heating power are designed at different weight points for food such as rice or meat, and also it makes the cooker to intelligently adjust parameters according to the taste feedback of the user so as to be more closer to the user's taste for the cooking next time; additionally it is capable of showing the total and average content of heat quantity, cholesterol, protein, fat, salt and cook oil of various foods in current cooking or if there are unmatched foods.