The invention discloses a high-strength impact-resistance type steel used for shelf beam, which comprises the following chemical components by weight percentage: 0.13-0.28% of C, 0.20-0.30% of Si, 0.20-0.46% of Mn, 0.85-0.95% of Cr, 0.28-0.32% of Ti, 0.16-0.22% of Mo, 0.24-0.36% of Nb, 0.05-0.07% of Cu, 0.18-0.36% of V, 0.59-0.79% of Al, 0.25-0.32% of rare earth trace element and the balance of Fe and impurity; the rare earth trace element comprises the following chemical components by mass percentage: 2-4% of Nd, 4-8% of Ce, 3-5% of Er, 2-6% of Pr, 1-4% of Pm, 0-5% of Dy, and the balance of La; the total content of impurity is less than or equal to 0.2, wherein, P is less than or equal to 0.005%, S is less than or equal to 0.007%, H is less than or equal to 0.004%, N is less than or equal to 0.006%, and O is less than or equal to 45ppm. The steel processing technology comprises the following steps: feeding, electroplating, drawing, annealing, insulating, pickling, drying and warehousing. The invention also designs a processing technology of the high-strength impact-resistance type steel used for shelf beam. The high-strength impact-resistance type steel used for shelf beam can obviously increase the wear-resistant compact-resistant capability of the steel, and has the advantages of simple operation technology, energy saving and environmental protection.