This issue analyzes the existing problems of the compensation to the subjects impairment during clinical drug trial nowadays, giving discussion to the subjects of general principles of subjects impairment compensation, the determination of compensation standard and the general procedure of compensation.

It suggests that the corresponding laws of impairment compensation should be perfected.

Punitive damages are damages awarded to the plaintiff in addition to compensatory damages, and are intended to punish the defendant for his wrongdoing, and to deter the defendant and other latent wrongdoers from conducting the same or similar misconduct in the future.