The invention discloses an integrated mushroom classification and conveying device which comprises a classification device and a conveying device, wherein the classification device is fixedly connected with the conveying device; the classification device comprises multiple classificators; the classificators comprise cylindrical bodies; a plurality of sorting holes are uniformly distributed in the cylindrical bodies; the sorting holes of each classificator are different in size; the conveying device comprises a plurality of conveying rails; the conveying rails are paired with the classificators in one-to-one correspondence; certain ends of the conveying rails are arranged below the classificators, and the other ends of the conveying rails are fixedly connected with collectors. Product specifications are sorted by the classificators, and united guidance is performed on the sorted products by use of the conveying rails, so the purposes of ensuring the sorting precision and reducing the workload of working personnel are achieved.