Since the reform and opening up in mainland China from 1978, there is quite a dazzling performance in international trade, it has replaced Japan as the world's third largest trading nation in 2004. She has continued to maintain our largest export market and largest source of trade surplus position. Thus, there is a new term called¡yChiwan¡z, that is, China plus Taiwan ,which Will form a new emerging economies of Asia. Contracts of international sale of goods transaction as a starting point and core. People who contracting a contract with the contracting parties intend to make the realization of their own interests. Whereas a party breaches of contract may make the other party's interests had not been achieved . Compensation for breach of contract is the most common and important method of bearing civil liability now, while damages can be considered as the most important one among those forms of compensation. As a bridge between jurisprudence and practice of compensation for breach of contract, the scope of compensation could be regarded as the core of compensation for breach of contract to certain extent.

With respect to the patrimonial nature of thecontract, derived from the patrimonial nature of  the benefit, a lot has been written and proposed. Authors from different periods andwith different ideas have addressed the subject, since  it  is  fundamental  to  understand  thebasic concepts of obligation and contractualrelationship. The stance of the majority findsthe foundation of the patrimonial nature of the benefit in being a limit to private autonomy,since such  nature,  which  is  susceptible  ofeconomic value, is defined by the social context,and not by the parties.In this article, the author rejects and discusses the mentioned stance. Based on the liberty that each person has to determine what is more convenient for himself and what is more efficient in economic terms, the author defends a subjective vision of the patrimonial nature of the contractual relation, and gives a different function and foundation to the patrimonial nature of the benefit: Being essential for the calculation  of  the  compensation  in  case of breach. / Respecto a la patrimonialidad del contrato,derivada de la patrimonialidad de la prestación, se ha escrito y propuesto mucho. Autores de diversas épocas e ideas han tocado eltema, siendo fundamental para entender los conceptos  básicos  de  obligación  y  relacióncontractual. La postura mayoritaria encuentra el fundamento de la patrimonialidad dela prestación en ser un límite a la autonomía privada, ya que lo patrimonial, aquello susceptible de valor económico, no lo definen laspartes, si no el contexto social.En el presente artículo, el autor rechaza y discute dicha postura. Basándose en la libertad que tiene cada persona de definir lo más conveniente para sí y lo más eficiente en términos económicos, defiende una visión subjetiva de la patrimonialidad de la relación contractual y le da a la patrimonialidad de la prestación una función y un fundamento diferente: El ser indispensable para el cálculo de la indemnización en caso de incumplimiento.