According to the present invention, provided is a system for livestock disease identification through modification factors on bio information of livestock, the system comprising: a wireless power supply unit (100) which wirelessly supplies power; a temperature sensing unit (200) which is inserted in the body of livestock, receives power from the wireless power supply unit (100) and measures temperature of the body of the livestock to transport the temperature information wirelessly; and an identification unit (300) which stores reference data (Dv) on change temperature (Tv) of the body of livestock in a normal condition according to livestock entity information and/or environmental factors, which have an effect on change in physiological temperature of livestock, which measures or receives data of livestock entity information (Ds) and/or data of environmental factors (De) in real time which have an effect on physiological temperature of livestock, and which compares correction data (Dc), which is corrected in
