Abstract: There are many ancient buildings in the region of ancient Huizhou． Protecting and reforming these buildings will benefit the development and utilization of them today． The protection mode can be divided into four mode: whole protection，and original site protection，other site protection，and resuming and rebuilding． In addition， the virtual protection of the ancient buildings is a beneficial supplement for those protecting modes． It makes good use of the computer technique and completes virtual simulation，virtual reappearance and test evaluation to achieve the best overall protection by the way of the data record． After combining protection with utilization，a role of the social value function would be given．