The invention discloses an anti-windage yaw and anti-pollution flashover suspension insulator string, belongs to the technical field of electric power fittings and solves problems of easily-generated windage yaw and pollution flashover accidents existing in an insulator string in the prior art. The suspension insulator string comprises a core rod, a sheath and an insulator string formed by an umbrella skirt, wherein an upper end of the insulator string is connected with a cross arm through a connection device, a lower end of the insulator string is connected with a lead, a anti-windage yaw limit device is arranged between the insulator string and a pole, the anti-windage yaw limit device comprises a connection arm and a limit baffle board, the connection arm and the limit baffle board are connected through a connection rod, and the connection arm is fixed on the cross arm through a fixing bolt. The anti-windage yaw and anti-pollution flashover suspension insulator string is advantaged in that the anti-windage yaw and anti- pollution flashover effects in the power transmission line can be realized.