The invention discloses a temperature-control anti-fog apparatus for a clamping type laparoscope lens. The apparatus comprises a clamping device, a heating system, a shell and an inner-wall gasket. The temperature-control anti-fog apparatus following beneficial effects: clamping type design is utilized; before an operation, the clamping device enables the apparatus to be directly clamped on a rod of a laparoscope; a switch is turned on and a heat-preservation system works; installation is easy and convenient; during the operation, no detachment is achieved so that operation efficiency is effectively raised; the heating system is efficient and stable and has good heating and insulation effect of the laparoscope lens; fogging phenomenon of the lens is effectively reduced during a laparoscopic surgery; and the apparatus is an integral device and ensures safety of the operation.