Reliable. According to Sina News, as a second-hand trading platform, there are a large number of idle fish users and a large transaction volume. The platform has a certain auditing mechanism and complaint handling mechanism, which can ensure the safety and reliability of the transaction, so it is very reliable for idle fish to recycle books. Idle Fish is a C2C community and market platform for China, which was launched by Alibaba Group in July 20 14.