Hyperspectral imaging technology is an efficient and nondestructive technique to study ancient Chinese paintings. The method is not affected by test objects and environment. A hyperspectral imaging system to scan and analyze some paintings in the Palace Museum was developed. It is found that this method has unique advantages in studies of text information enhancement, extraction of hidden information,extraction of line features from drawings, and that it benefits identification of colors and classification of paintings. The number of ancient paintings is very large in the Palace Museum.These paintings need to be well conserved and restored. Hyperspectral imaging technology can be applied in Chinese paintings conservation. It provides a safe and effective approach for scientific analysis and conservation.