Based on the experiences and rules that summarized from the science information consulting work, Tsinghua University Library apply the computer-assisted technology to the science information consulting process. A unique computer-assisted software application named WordSnap is developed to assist the consultant to finish the consulting works. The major functions of WordSnap includes: the search formula conversion between different databases, the attachment file content validation, the attachment file output format check. By using the assistant software, the consultant can save plenty of time wasted on the non-technical work and can spend more time on the quality guarantee. The work efficiency is also elevated by this means.