Todevelop urban rail transportation such as subway plays an important role in alle-viatingpublic transport pressure in mega- cities and promotingsound development of ur-ban economy and society. However, in China as well as other countries, due to the lackof necessary analysis and demonstration on potential technology risk, ignorance of theobjective law and mismanagement, grave economic loss occurred during subway con-struction as a result of varying degrees of engineering accidents. So far, the technologyrisk management duringsubwayconstruction has been attached great importance. Todevelop urban rail transportation such as subway plays an important role in alle-viatingpublic transport pressure in mega- cities and promotingsound development of ur-ban economy and society. However, in China as well as other countries, due to the lackof necessary analysis and demonstration on potential technology risk, ignorance of theobjective law and mismanagement, grave economic loss occurred during subway con-struction as a result of varying degrees of engineering accidents. So far, the technologyrisk management duringubwayconstruction has been attached great importance.