Elevating table rack for computer

This utility model relates to an elevating table rack for a computer, which comprises a pedestal, guide posts, elevating platform board, guide holes and locking devices. The guide posts are fixed on the pedestal; guide holes are positioned on the elevating platform board; the elevating platform board is installed on the guide posts and moved vertically along the guide posts with cooperation between the guide holes and guide posts; the elevating platform board can be locked at any height positions on the guide posts by the locking devices. Compared with the prior art, the utility model is advantageous in a simple structure, low processing cost, and easy use, and, furthermore, the utility model also has a radiation function for laptops.