The principles to be followed in repairing immovable cultural relics are as follows

The principle of not changing the original state of cultural relics

There are roughly six principles for restoring ancient cultural relics. 1. Safety first. One is whether it is safe for people, and the other is whether the main structure is safe; 2. Don't destroy the value of cultural relics. As long as it can ensure safety and does not affect the use, dangerous houses sometimes have more ornamental value; 3. The principle of unified style. The repaired part should be as consistent as possible with the original style; 4. Eliminate the root causes and hidden dangers of damage. After the census is finalized, careful observation and analysis should be made to find out the root causes. Eliminate hidden dangers during maintenance. If the component is not seriously damaged or has no safety problems, it can even eliminate hidden dangers without doing anything to the component;

5. Give priority to preventive maintenance. Eliminate accumulated troubles and hidden dangers in the bud; 6. Try to use old materials. Not only can it save money, but sometimes it can retain the characteristics of the original building.

Meaning:

Behind the exquisite cultural relics restoration technology, there is also a profound concept of cultural relics restoration. The protection and restoration of cultural relics is not only for the present, but also for future generations to appreciate cultural relics. Therefore, protection and restoration should adhere to the concept of "minimum intervention". In a sense, cultural relics restorers are also preserving the "incomplete beauty" of cultural relics. In the long history, the material and cultural heritage with historical, artistic, scientific and commemorative value will inevitably be worn and lost. Simply put, the restoration of cultural relics is a work of resisting time with time. At present, people spend time and resources on the protection and restoration of cultural relics in order to better inherit and continue cultural relics.