The effect of total dose on radiationinduced attenuation and temperature dependence of radiationinduced attenuation in optical fibers was investigated. The GeP doped fibers were irradiated with different total doses and test systems for radiation induced attenuation and temperature dependence were built up. The relation between radiation induced attenuation and radiation dose was analyzed. The results show that the radiation induced attenuation at 1 310 nm in fiber is primarily dependent on P1 center. The POHC center also has obviously effect on radiation induced attenuation at 1 310 nm irradiated at high dose. The radiation induced attenuation in fiber increases with increasing radiation dose. The radiation induced attenuation of irradiated GeP doped fibers after sufficient annealing exhibit steady and monotonic temperature dependence in the temperature range from －40 to 60℃. The higher radiation dose, the stronger temperature dependence of radiation induced attenuation in the irradiated fiber there will be. The investigation on total dose influencing radiation induced attenuation and temperature dependence in GeP codoped fibers can better apply the optical fiber in complex radiation environment and utilize stable temperature dependence of radiation induced attenuation for temperature sensor.