The invention provides an automobile brake disc material rack which can prevent brake discs from colliding in the transport process and thus guarantee the fine appearance of products. The automobile brake disc material rack comprises a bottom rack; the left side and the right side of the bottom rack are provided with side frames; the side frames include a plurality of side beams vertically fixed on the bottom rack and longitudinal beams fixedly connected to the upper ends of the side beams. The automobile brake disc material rack is characterized by also comprising supporting beams, backing plates, stand pillars and clamping blocks; the bottom rack is vertically provided with the supporting beams; the backing plates are fixed to the upper end surfaces of the supporting beams; the stand pillars are vertically fixed to the upper end surfaces of the backing plates; the lower portions of the clamping blocks are provided with trapezoidal clamping grooves matching shaft necks of brake discs; the trapezoidal clamping grooves of the clamping blocks are placed on the stand pillars and are connected with the stand pillars threadedly.