A rolling control method comprising: finding a critical buckling strain difference distribution Δε cr (x), which is a distribution in a strip width direction of differences in a critical strain at which a metal strip will buckle, based on a strip thickness of the metal strip, a strip width of the metal strip, tension acting on the metal strip at exit from a rolling mill, and a provisional elongation strain difference distribution Δε(x) which is a distribution of differences in the strip width direction of elongation strain along a rolling direction of the metal strip during rolling under specific rolling conditions and which is found under conditions in which out-of-plane deformation of a metal strip is restrained; in cases in which the provisional elongation strain difference distribution Δε(x) exceeds the critical buckling strain difference distribution Δε cr (x), finding a true elongation strain difference distribution Δε'(x) by adding the difference between the provisional elongation strain difference distribution Δε(x) and the critical buckling strain difference distribution Δε cr (x) to the provisional elongation strain difference distribution Δε(x); and rolling the metal strip without changing the specific rolling conditions in cases in which the provisional elongation strain difference distribution Δε(x) does not exceed the critical buckling strain difference distribution Δε cr (x), and rolling the metal strip under rolling conditions set based on the true elongation strain difference distribution Δε'(x) in cases in which the provisional elongation strain difference distribution Δε(x) exceeds the critical buckling strain difference distribution Δε cr (x). finding a critical buckling strain difference distribution Δε cr (x), which is a distribution in a strip width direction of differences in a critical strain at which a metal strip will buckle, based on a strip thickness of the metal strip, a strip width of the metal strip, tension acting on the metal strip at exit from a rolling mill, and a provisional elongation strain difference distribution Δε(x) which is a distribution of differences in the strip width direction of elongation strain along a rolling direction of the metal strip during rolling under specific rolling conditions and which is found under conditions in which out-of-plane deformation of a metal strip is restrained; in cases in which the provisional elongation strain difference distribution Δε(x) exceeds the critical buckling strain difference distribution Δε cr (x), finding a true elongation strain difference distribution Δε'(x) by adding the difference between the provisional elongation strain difference distribution Δε(x) and the critical buckling strain difference distribution Δε cr (x) to the provisional elongation strain difference distribution Δε(x); and rolling the metal strip without changing the specific rolling conditions in cases in which the provisional elongation strain difference distribution Δε(x) does not exceed the critical buckling strain difference distribution Δε cr (x), and rolling the metal strip under rolling conditions set based on the true elongation strain difference distribution Δε'(x) in cases in which the provisional elongation strain difference distribution Δε(x) exceeds the critical buckling strain difference distribution Δε cr (x).