Abstract: There has been a significant increase in worker's claim for mental injury during recent years.Such an injury,however,is compensated within the scope of civil liability,but it is possessed of a specific nature which are quite different from ordinary mental injury in torts. For instance,its eompensation terms for injured workers are fully provided on the basis of a statute,viz.,the Labour Insurance Regula- tions.According to the favourable terms as beneficial treatment of the statute,neither the principle of liability without fault nor the condi- tion immune from liability can be the resort on the executive or manager part,and the element of the relationship of cause and effect also seems losing its significance.Fhrthermore,being satisfied with the compensation speculated in the Labour Insurance Regulation,the mentally injured workers are exempted from taking the burden of proof and undergoing the expert's testimony of forensic psychiatry.On the contrary,most mentally injured workers in foreign enterprise abroad should stand for expertise that they usually bring actions against their employers concurrently at the moment they claim for the favour-de- ficient labour insurance funds.