A lighting structure for distance measuring wheel has a case, a circuit board, a switch, a power supply port, a power supply, a light source and a display unit. The circuit board, the power supply, and the light source are accommodated in the case. One part of the switch is arranged in the case and electrically connected to the circuit board and the other part of the switch is exposed outside of the case. The display unit is arranged below the case and a display screen is arranged thereon. An inclined surface is formed at a lower corner of the case and faced to the display screen of the display unit, the light source is electrically connected to the circuit board and a light beam emitted from the light source penetrates through the inclined surface toward the display screen of the display unit.