Abstract: As the national center city, Xi'an city has been stepping in the practicing and booming stage for the underground space development, facing typical and representative issues. On the basis of the reviewing for the perspective and trend of underground space utilization in the home and abroad, we analyze the existing problems in the utilization process of the underground space in Xi'an city, and then propose the countermeasures, which include (1) launching the survey, monitoring and assessment of the urban underground space resources; (2) strengthening the technique researches on the mechanism of the underground space and geological environment, the value assessment and diversification financial modes for the underground space; (3) establishing and completing the relative law, technique standard, and administrative rules; (4) improving the informatization and intelligent of the urban underground space development, in order to ensure the reasonable utilization and surporting the national land spatial planning and layout optimization.