Abstract: Procambarus clarkii is one kind of benthic crustaceans.They are not good at swimming and crawl among aquatic grasses or on water bottom sometimes.Therefore,Procambarus clarkii can be cultured alone or with other fishes.Mixed culture of crayfish and fish can not only make full use of water but also achieve good harvest of crayfish and fish without using more feed and no effects on growth of fish.As a result,it is a good culture method.The mixed culture technology of crayfish and fish was introduced from the aspects such as pond selection,preparation before stocking,stocking crayfish and fish,feeding and management,daily management,preventing and treating diseases,fishing,transportation and sales.