The invention discloses a photodynamic tumor therapeutic apparatus overturning platform with a fixing function, which comprises a connection frame, a rotating wheel, clamping rods, a control cabinet, a bottom plate, a motor, a guide rail, a fixed iron sheet, a base, a placement plate, guardrails, rollers, a ladder, a rotating shaft, notches, clamping arms, a control cabinet door, a key hole, a switch button and a control module. The structure is simple; through rotation of the rotating wheel, overturning of the photodynamic tumor therapeutic apparatus can be realized; due to the clamping rods, the photodynamic tumor therapeutic apparatus is limited to a certain degree, and falling of the photodynamic tumor therapeutic apparatus during the rotating process is prevented; through rotation of the rotating shaft, the notches in the clamping arms firmly hold the photodynamic tumor therapeutic apparatus, and fixing of the photodynamic tumor therapeutic apparatus during the rotating process is further improved; the photodynamic tumor therapeutic apparatus can be placed on the placement plate, through movement of the rollers on the guide rail, the photodynamic tumor therapeutic apparatus can be easily put in the rotating wheel, and the working efficiency is improved; the control module on the control cabinet can realize control on devices such as the rotating wheel and the clamping arms; and the connection frame enables the clamping rods on the rotating wheel to be firmly connected, and a role of fixing the photodynamic tumor therapeutic apparatus is played.