The invention discloses a detachable filter-type fry collecting barrel. The barrel includes a bottom-sealed barrel body, a double-layer jacket, and a collecting net; the barrel body is provided with abolting silk window and a locking movable part; the double-layer jacket includes an inner layer and an outer layer, the inner layer is longer than the outer layer and is reversely buckled towards theouter layer, and the inner layer is fixedly connected with the collecting net; and the outer layer is provided with a locking fixing part, and the barrel body and the double-layer jacket are connected or separated through the locking movable part and the locking fixing part. The detachable filter-type fry collecting barrel provided by the invention has the advantages of a high survival rate of fry, simple and convenient operation, low costs, simple cleaning and the like.