Cup sleeve with anti-fall finger rings

The invention provides a cup sleeve with anti-fall finger rings. The cup sleeve is worn on a cup body, can prevent a cup from falling off the hand of a user when the user holds the cup and opens fingers, and is suitable for children and old persons to use. A handle is arranged on the side surface of the cup sleeve; the two tangent finger rings are arranged up and down in the handle, made of leaf springs and provided with openings; and the finger rings are slightly thinner than the fingers. The cup is placed in the cup sleeve, the handle of the cup sleeve is held in such a way that two fingers wear the leaf spring finger rings which are slightly thinner than the fingers and provided with the openings, and the fingers wear the finger rings so tightly that the cup cannot fall of the hand even if the hand wearing the handle is opened.