The invention relates to the field of automatic control for finish rolling of a rolling line for continuous-hot-rolled strips. According to a control method for solving the problem of rolling narrowing of the silicon steel tail of a hot-rolled steel strip, a control procedure for adjusting the loop moment and the compensation speed is developed during silicon steel rolling by fully utilizing the characteristics of advancement and operability of the computer control technique, the hidden danger of movement abnormities of a loop is eliminated, the equipment fault time is shortened, the problem of rolling narrowing, caused by instability of the loop, of the tail of the steel strip is solved, the product quality is improved, and good benefits are achieved. The control method is suitable for control over a finish rolling machine for the hot-rolled steel strip.