Abstract: A large amount of the precious metal-bearing scrap are produced during the process of jewelry manufacturing,and the actual loss of the precious metal in jewelry factory could be directly decided by the recovery status of the scrap.According to the features of the scrap form it is considered that the complete collection and recovery systems for the scrap should be established in jewelry factory,which is one of the important ways to improve the recovery rate of the scrap.The collection and recovery system for the scrap could be set from the five aspects,including the dust collection system,the waste liquor precipitation system,the air conditioning system,septic tank and waste cleaning.