In the foreword, I simply introduce the main reasons and the harm to the society of the crime of securities; study the crime of fraud against portfolio in the crime of securities in theory and the necessity of finding out the countermeasure of prevention.

• 简单介绍了证券犯罪的主要原因及其社会危害性，以及对证券犯罪中的有价证券诈骗犯罪进行理论研究，及时制订出预防对策的必要性。