A new infrared thermometry is proposed.Planck's law is thought as the `self' mode of the measured object
and the emissivity and transmissivity are thought as `non-self'(antigens).The distorted `self' mode is recognized by coding self-performances based on artificial immune principle.Firstly
antibodies are produced.Secondly
antigens are neutralized.At last
the object temperature is got.The simulation results have verified effectiveness of the method.