Trade secrecy, one of the most neglected area of IP laws, is always considered by certain companies as a paramount tool to safeguard their creative innovations. Its importance is gradually recognized by the public during the recent years. Particularly in mainland China, an increasing focus is given to trade secrets law during the past few years with the statute being amended, new judicial interpretation and administrative regulation being promulgated. There can be various interesting topics to explore for trade secrets protection, ranging from very basic questions about whether trade secrets can be classified as IP rights to detailed discussions on their protection requirements and how trade secrets law in mainland China developed into today’s status.