In a toner image forming method, toner contains toner particles having a shape coefficient falling within a range of 1.0 to 1.6 in an amount of 65% by number or more and the toner particles has a variation coefficient of the shape coefficient of 16% or less. In a step of cleaning residual toner remaining on the image carrying member after the step of transferring; the cleaning step includes a step of removing electrostatically residual toner by brining a cleaning roller in contact with a surface of the image carrying member and by applying a bias voltage between the cleaning roller and the image carrying member, and a step of removing mechanically residual toner by bringing a tip end of a cleaning blade in contact with a surface of the image carrying member at a position downstream of the cleaning roller in terms of the rotating direction of the image carrying member.