Under the influence of economic，social，technological，demographic，market，policy and other factors，flexible employment has grown rapidly in China. The employment form has developed from traditional odd jobs to diversified employment，the coverage has infiltrated from limited fields to the whole industry，and the workers have changed from passive entry to active choice. Flexible employment plays a positive role in promoting employment，stabilizing employment and improving the efficiency of human resource allocation. At the same time，the development process has also some problems such as insufficient employment services and labor rights protection. It need to be further complemented in terms of statistical monitoring，policy support，rights protection，skill training，etc.