This invention relates to a dental retractor apparatus with illumination & suction and in particular, this invention relates to a dental retractor apparatus with illumination & suction with removal of saliva. More particularly, this present invention relates to the dental retractor apparatus with illumination & suction having LEDs mounted on the cheek retractors. Furthermore, this invention also relates to the dental retractor apparatus with illumination & suction which has the advantages of reasonable structure, can be widely applied to treatment works in dental clinics, and conveniently prevents the tongue and the cheek of the patient from being injured during tooth preparation of dental surgeons and the safety of clinic operation is strengthened, and work efficiency is improved.