A food treating apparatus with a weighing scale. The weighing scale includes a casing, a weight display and a weighing pan. The casing of the weighing scale is provided with a sliding rail or a sliding plate. Correspondingly, the main body of the food treating apparatus is provided with a chamber to accommodate the weighing scale, and within the chamber, a guiding rail is provided for use in conjunction with the sliding rail or sliding plate. The weighing scale can be drawn into or out of the food treating apparatus along the guiding rail. The food treating apparatus with the weighing scale disclosed in the present invention is simple in structure, low in cost and easy to use.