The paper is a review of the studies on the temperature of the thermal tolerance in fishes. It was described from four aspect : (1) The key parameters of temperature of thermal tolerance in fishes ; (2) The influence factors of temperature of thermal tolerance in fishes ; (3) The research methods of thermal effect of fishes ; (4) The evaluation of effects of thermal pollution on fishes , especially , with the coastal power station will be built in China recent years , the effects of thermal discharge water on the marine fisheries resource were discussed.