A camera module , comprising: a lens assembly comprising a liquid lens and at least one solid lens disposed above or below the liquid lens, the liquid lens comprising a plurality of individual electrodes (E1) and a common electrode (E2); a driving driver configured to supply a voltage through the common electrode and at least one of the plurality of individual electrodes in the liquid lens in order to control an interface of the liquid lens; a capacitance measurement circuit configured to measure capacitance between the common electrode and at least one of the plurality of individual electrodes in the liquid lens; an operation state storage unit configured to store information on capacitance that varies depending on variation in temperature in the liquid lens; a control unit configured to determine a temperature in the liquid lens based on the capacitance measured by the capacitance measurement circuit and the information ; and a temperature controller for lowering or raising an ambient temperature of the camera module, wherein the liquid lens further comprises: a first plate comprising a cavity (CA) in which a conductive liquid (LQ1) and a non-conductive liquid (LQ2) are disposed; a second plate disposed on the first plate; and a third plate disposed under the first plate, wherein the common electrode is disposed on the first plate, and wherein the plurality of individual electrodes is disposed under the first plate, wherein the control unit is configured to control the temperature controller based on the determined temperature, and transmit information on the calculated determined temperature to an application processor interlocked with the camera module. a lens assembly comprising a liquid lens and at least one solid lens disposed above or below the liquid lens, the liquid lens comprising a plurality of individual electrodes (E1) and a common electrode (E2); a driving driver configured to supply a voltage through the common electrode and at least one of the plurality of individual electrodes in the liquid lens in order to control an interface of the liquid lens; a capacitance measurement circuit configured to measure capacitance between the common electrode and at least one of the plurality of individual electrodes in the liquid lens; an operation state storage unit configured to store information on capacitance that varies depending on variation in temperature in the liquid lens; a control unit configured to determine a temperature in the liquid lens based on the capacitance measured by the capacitance measurement circuit and the information ; and a temperature controller for lowering or raising an ambient temperature of the camera module, wherein the liquid lens further comprises: a first plate comprising a cavity (CA) in which a conductive liquid (LQ1) and a non-conductive liquid (LQ2) are disposed; a second plate disposed on the first plate; and a third plate disposed under the first plate, wherein the common electrode is disposed on the first plate, and wherein the plurality of individual electrodes is disposed under the first plate, a first plate comprising a cavity (CA) in which a conductive liquid (LQ1) and a non-conductive liquid (LQ2) are disposed; a second plate disposed on the first plate; and a third plate disposed under the first plate, wherein the common electrode is disposed on the first plate, and wherein the plurality of individual electrodes is disposed under the first plate, <EOS>