The difference between the second and third editions of Economic Law lies in the publishing houses. The second edition of Economic Law is a book published by Tsinghua University Publishing House on 20 1 18+0. The Third Edition of Economic Law is a book published by Southwestern University of Finance and Economics Press. The second edition of Economic Law is based on the principle of practicality, according to the relevant theories and the main economic laws and regulations promulgated by China, in order to meet the actual needs of non-law majors in colleges and universities in China to learn and master economic law. * * * Sixteen chapters, including the basic theory of economic law, enterprise law, company law, enterprise bankruptcy law, contract law, competition law, product quality law, consumer rights protection law, tax legal system, trademark law, patent law, banking law, securities law, negotiable instrument law, labor legal system and economic arbitration and civil litigation legal system.