It is a basic strategy project for developing west China to introduce sea water from Bohai Sea to west China, comparing to the project on introducing fresh-water from Yangtze River to north China. Some efficacy for Inner Mongolia area and saltization in areas involred in the project were discussed in the paper. As it may take 20 years to get a common view about the project conducting some relaed scientific research and striving to begin earlier the project were suggested.