The invention is a light guiding structure of an endoscope lens module.It mainly provides an improved light guide structure at the front end of the lens module of the endoscope.It has better light guiding effect.For the benefit of those performing medical operations,It is characterized in that the light guide structure in this creation is a first-order annular body.The ring body is composed of the lower joint part and the upper light guide part.The outer diameter of the joint is equal to the inner diameter of the outer tube of the lens module.And the outer diameter of the light guide part is equal to the outer diameter of the outer tube.In addition,The outer upper edge of the light guide part is set as an arc guide angle.The joint can be tightly combined at the upper end of the outer tube.The light guide part is located on the upper edge of the outer tube.The whole structure is integrated with the lens module.Through the exposed light guide design,It can improve the efficiency of light source.Increase the light conducting area to enhance the luminosity.The intended effect of this creation.本創作為一種內視鏡鏡頭模組之導光構造,主要提供一改良的導光構造於內視鏡之鏡頭模組前端,而具有更佳的導光效果,俾益於醫療手術之進行者,其特徵在於本創作的導光構造為一階狀環形體,此環形體由下方的結合部和上方的導光部所組合而成,該結合部的外徑相等於鏡頭模組外管的內徑,而導光部的外徑相等於外管的外徑,另外,導光部的外上緣設為圓弧導角,該結合部可緊密組合在外管的上端,而導光部則位在外管的上緣,整體與鏡頭模組形成一體的結構,而透過外露的導光部設計,可將光源效率提升,增加導光面積以達到增強光度之目的,獲致本創作之預期功效者。