In this paper,basic work means a kind of process in which the scientific data,materials and relative information are collected,sorted out,saved,flowed and used.It should pledge the reliability of data,materials and information in this process.It is also including the studies to seek its law and achieve its worth.This kind of work is a part of basic researches.In pace with rapid development of information technology (IT),studying methods for geo science are being continually renewed,studying cycle is being shorted,studying regions are being expended.It is the same situation for the basic researches of the Tibet Plateau.But the basic work including construction of scientific database is still relatively inadequate .This paper sets forth the connotation,significance and developing tendency for basic work.The current situation for basic work in the basic researches of Tibet Plateau is analyzed and the construction of scientific database in recently two years is described.It then points out that relevant departments of the State and leaders connected with Tibetan projects should pay attention to basic work.Data acquisition,processing,digitalization and integration should be strengthened in studying projects.