Traditional law academic theories of our country insist of persistence injuring performance responsibility coincidence of civil liability to match processing mode,but,the author think that the violation of injuring performance is usually dual,adoption the aggregation of civil liability theories more matches fair justice.

This paper discusses the management model and operation process of general contract project item and ana- lyzes the general contractors contract responsibilities and management system.

A probe into the determination and identification of the injuries incurred by medical cosmetology,injury compensation liability,liability combination system,and the scope of injury compensation is conducted.

Although relevant regulations on liability concurrence have been established in the contract law,the damages arisen from breach of contract other than torts can not yet be duly solved thereby.

By analyzing the first case about "Sudan Red" that happened in China,which has called for the problem about punitive compensation and liability concurrence.

The civil liability concurrence is an important issue in the legal application t o the civil laws.

distribute way of Product quality Liability in Civil Proceedings caused by medical instruments and goods,according to the distribute way of Contract Liability in Civil Proceed- ings caused by common services.

This paper takes a contract liability approach to the civil obligation of the improper dealing mentioned above on the purpose of providing more theoretical choices for a reasonable settlement to securities di.