Children safety belt

A child safety belt is initiated. The child safety belt comprises a seat belt provided on one side of a vehicle seat provided with a headrest, a guide portion extending from the rear side of the headrest in the width direction of the vehicle seat, The other side of the guide band is detachably connected to a position in the longitudinal direction of the seat belt, and the guide band is connected to the other side of the guide band. The other side of the guide band is slidably connected to the guide part. And a fixing portion which is inclined to the seat belt.