The invention relates to a stationary disc, in particular to a stationary disc for a scroll type compressor, and belongs to the technical field of alloy materials. The stationary disc is made of an aluminum alloy material, and the aluminum alloy material comprises, by mass, 6-8% of Si, 0.10-0.15% of Fe, 0.5-0.7% of Mg, 0.01-0.02% of Zr, 0.01-0.15% of Ti, 0.03-0.04% of B, 0.02-0.05% of La, and thebalance aluminum and unavoidable impurities. The aluminum alloy material used in the stationary disc is reasonably configured, and meanwhile, a specific preparation method is adopted, so that the obtained stationary disc has higher strength and higher corrosion resistance.