A minimally invasive surgical module includes a light transmission unit having a light emitting end, a containing unit having an containing recess and a first reflecting surface located on an optical axis of the light transmission unit at the light emitting end, and an light path switching unit having a recess and a second reflecting surface, wherein the first reflecting surface and the second reflection surface are inclined with respect to the optical axis and located on the inner wall of the containing recess and the inner wall of the recess, respectively. The containing recess contains the light emitting end. The light path switching unit is adapted to switch between a first position and a second position. The light from the light emitting end is reflected by the first reflecting surface and the second reflecting surface in sequence when the light path switching unit is switched to the first position. The light from the light emitting end is reflected by the first reflecting surface and then transmitted to the outside from a side of the light path switching unit.一種微創手術模組,包括光傳輸單元、容置單元以及光路切換單元。光傳輸單元具有出光端,容置單元具有容置槽及位於容置槽內壁的第一反射面。容置槽容置出光端,第一反射面傾斜配置於光傳輸單元於出光端處的光軸上。光路切換單元具有凹槽及位於凹槽內壁的第二反射面,其中第二反射面相對於光軸傾斜。光路切換單元適於被切換至第一位置與第二位置,當光路切換單元被切換至第一位置時,來自出光端的光依序被第一反射面與第二反射面反射;當光路切換單元被切換至第二位置時,來自出光端的光被第一反射面反射後,從光路切換單元的一側往外傳遞。L1‧‧‧光軸α2‧‧‧鈍角100‧‧‧微創手術模組110‧‧‧光傳輸單元112‧‧‧出光端120‧‧‧容置單元122‧‧‧容置槽123‧‧‧第一反射面126、136‧‧‧斜面128、138‧‧‧反射層130‧‧‧光路切換單元132‧‧‧凹槽133‧‧‧第二反射面