An image forming apparatus includes a fixing unit having a heating member, a temperature detection member detecting a temperature of the heating member, a control unit controlling power to be supplied to a heater, and an acquisition unit that acquires toner density information of the toner image to be formed on the recording material, wherein the acquisition unit acquires first toner density information in a predetermined area which is a portion of a maximum image formation area of the recording material and second toner density information in the maximum image formation area, and the predetermined area is an area including an area of the recording material corresponding to a detected area of the heating member detected by the temperature detection member, wherein the control unit sets the target temperature based on the first toner density information and the second toner density information.