The transfer of risk issue under the international sales of goods deals with the interests of the parties involved in a sales business, and is one of the hottest topics in sales contract. It has attracted great attention from law experts around the world. Many nations have also tried to set up legal provisions on transfer of risk issues. With the international trade developing in a further way, trades between nations have also been growing in an enormously rapid way. Under this background, the legislature coordination among different nations has become more and more important. Thus it is required to have some discuss on the issue of transfer of risk under the international sales of goods. It is an important problem which party to burden risks and when to transfer risks in international sale of goods contract if loss or damage of goods occurred. This study, focusing on the CISG and trying to carry out a comparative analysis between CISG and Incoterms and the Contract Law of China, especially on basis of this, puts forward with suggestions on improvement of legal weakness rooted from the system off the passing of risk in the Contract Law of China. This study is divided into five chapters including the introduction and conclusion. After mentioning the scope and purpose of this study in Chapter One, t he Chapter Two undergoes an analysis on the basic concept and characteristics of risk, and classifies legislation. As a main part, Chapter There comes with a combined analysis on the passing of risk on relevant provisions in CISG including Article 66-Article 70 and Incoterms 2010 which is divided into four groups with 11 terms. And the chinese People's Republic contract law including Article 142-Article 149. Chapter four points out some drawbacks from the Contract Law of China regarding the passing of risk and offers some suggestions on hope to make improvements in the purpose of making the low more enforceable. Chapter Five observes the passing of risk in Contract Law of China in detail compares these with CISG. Subsequent studies are requested to provide more detailed and accurate review on China Contract Law for its problems in view of CISG and Incoterms.