The invention discloses a method for controlling the cross grain defect on the surface of cold-rolled thin-gauge high-strength steel. The method comprises the steps that the tension of a leveler used for leveling the high-strength steel is improved; the height of anti-wrinkling rollers at an inlet and an outlet of the leveler is increased; the concentration of a leveling solution used in the high-strength steel leveling process of the leveler is increased; the speed of the leveler is decreased; and the roughness of a working roller of the leveler is decreased. Through a series of measures including optimizing the strip steel leveling technique, matching the strip steel operation speed, and adjusting the roller roughness, the cross grain defect on the surface of the continuously-annealed thin-gauge high-strength steel is overcome fundamentally, and a remarkable application effect is achieved. According to the method, the production mechanism of the cross grain defect is specified, finally, the cross grain defect is overcome by matching corresponding technological parameters, and the technical problems that in the prior art, the cross grain defect is quite prone to being generated on the surface of the thin-gauge high-strength strip steel, the yield and quality of a unit are affected, and using standards of clients cannot be met are solved.