The invention discloses a track ball type finger-controlled wireless mouse, which relates to a mouse. The finger-controlled wireless mouse comprises a finger ring, a track ball, a photoelectric assembly, a left key, a right key, a battery and an integrated circuit board, wherein a shell which is connected integrally with the finger ring is connected to the outer wall of one side of the finger ring; an upper housing for enclosing a cavity encircled by the shell and the outer wall of the finger ring is connected to the upper end face of the shell; the middle part of the upper housing is provided with a track ball installation hole; both sides of the upper housing are provided with a left key installation hole and a right key installation hole respectively; the left and right keys are arranged in the left and right key installation holes respectively; the photoelectric assembly is positioned on the middle part of the inner side of the cavity encircled by the shell and the outer wall of the finger ring; the upper side of the photoelectric assembly is provided with a track ball supporting seat; and the track ball is positioned in a positioning groove on the middle part of the upper side of the track ball supporting seat, and projects out of the track ball installation hole. According to the finger-controlled wireless mouse, all operation can be completed only by using a thumb and an index finger; and when the finger-controlled wireless mouse is in use, postures can be adjusted randomly, so that a way for operating a computer in a close range through the conventional mouse by means of a desktop is changed.