Abstract: Deep geological disposal based on the"multiple screening principle"is an appropriate method for the high-level radioactive waste(HLW)disposal accepted generally both at home and abroad.From the construction of HLW disposal repositories and the influence of their operation on the environment and re-action of the environment to disposal repositories this paper discusses some problems concerning deep geo-logical HLW disposal repositories and points out that special attention must be paid to the site selection and study of multi-factor coupling in order to guarantee the long-term safety of disposal repositories.