The present disclosure relates to a multifunctional visual oral cleaning instrument which includes multiple functions of a visual dental floss, and/or visual oral forceps, and/or a visual oral irrigator, and/or a visual toothbrush, and/or a detachable visual interdental brush, and the like. The dental floss, and/or oral forceps, and/or oral irrigator, and/or toothbrush, and/or interdental brush are/is connected with an oral viewer through a connecting mechanism. By using a smartphone or tablet computer, the dental floss, oral forceps, oral irrigator, toothbrush or interdental brush and the gap between teeth can be clearly seen, so that the tooth gaps can be conveniently cleaned and treated under direct vision during use, and the cleaning effect of the tooth gaps can be viewed and recorded in real time.
