The invention discloses an engine steering bracket processing process. A blank is selected, and the blank comprises the following components of, in percentage by mass, 0.05-0.06% of C, 0.5-1% of Mn, 0.5-0.8% of Ni, 2-4% of Cr, 0.4-0.6% of Nb, 0.1-0.2% of Si, 0.1-0.12% of N, 0.2-0.5% of Fe, 1.5-2.0% of Mg, less than or equal to 0.2% of Cu, less than or equal to 0.015% of s, less than or equal to 0.025% of p, 0.3-0.5% of Mo, 2-4% of Al, 0.3-0.5% of Ti, 0.02-0.03% of B, 0.0018-0.0022% of v, 0.1-0.3% of composite rare earth, 0.2-0.4% of rare earth elements and the balance Al; and the composite rare earth comprises the following components of, in percentage by weight, 13-15% of cerium, 15-18% of praseodymium, 5-8% of holmium, 8-10% of gadolinium, 8-10% of gadolinium and the balance lanthanum, and the sum of all the components of the composite rare earth is 100%.