An optical therapeutic apparatus includes an ear shield for covering a wearer's ear, which has a plurality of acupuncture points; a hanging member including a connection portion connected to the ear shield; and a plurality of light emitters disposed within an interior portion of the ear shield in array manner to face the plurality of acupuncture points respectively. The plurality of light emitters includes a plurality of acupoint-stimulation elements, each corresponding to a respective one of the acupuncture points, at least two sets of the acupoint-stimulation elements are capable of emitting stimulation light beams at different time intervals.