Calligraphy and painting belong to a particularly delicate category in antiques. Its expensive is that it is a pure art, and some celebrity calligraphy and painting are rare treasures. As the materials of calligraphy and painting works are fibrous paper and silk, acidic materials such as animal glue, starch and paste are added in paper production or calligraphy and painting mounting, which will cause mildew, moth eaten, discoloration, yellowing, aging and embrittlement when calligraphy and painting works encounter moisture, light and heat. It can be seen that mastering the maintenance of calligraphy and painting is very helpful for collecting calligraphy and painting.

收藏字畫時不要用手直接接觸作品，應戴上手套，以免字畫被汗?jié)n污染和指甲劃破。欣賞字畫時要避免陽光直射作品。字畫開卷閉卷不能過于用力。若出現(xiàn)折痕，可在字畫背面噴些水使其潤濕，然后貼在玻璃上晾干或用低溫熨斗熨燙一下，折痕即可。

When collecting calligraphy and paintings, do not touch the works directly with your hands. You should wear gloves to avoid sweat pollution and nail scratch. When appreciating calligraphy and painting, avoid direct sunlight. The opening and closing of calligraphy and painting shall not be too hard. If there are creases, spray some water on the back of the calligraphy and painting to wet it, and then stick it on the glass to dry or iron it with a low-temperature iron to eliminate the creases.

字畫在存放時要注意防潮防光防塵。藏室要保持適宜的溫濕度。燈光的強度也要控制，字畫珍品需要放進囊匣中置陰處保存，不要輕易見光。

When storing calligraphy and paintings, pay attention to moisture, light and dust prevention. Proper temperature and humidity shall be maintained in the storage room. The intensity of light should also be controlled. Calligraphy and painting treasures need to be placed in the capsule and stored in the shade. Don't see light easily.

如果字畫被泥土、墨水、油脂等弄臟，要進行清洗。一般情況下，只要用軟性的毛筆或刷子輕輕將不潔物干擦掉。如污斑嚴重，可局部濕洗，用棉花球或毛筆蘸些清洗劑，將污跡擦去，并隨時用吸墨紙吸掉液體，用清水蘸殘留的清洗劑，操作時要謹慎行事，以免損壞書畫。

If the calligraphy and painting are soiled by soil, ink, grease, etc., they should be cleaned. Generally, just use a soft brush or brush to gently wipe off the dirt. If the stain is serious, it can be wet washed locally. Wipe the stain with cotton ball or brush dipped in some cleaning agent, and absorb the liquid with blotting paper at any time. Finally, dip the residual cleaning agent with clean water. Be careful during operation to avoid damaging calligraphy and painting.

為了防止字畫霉變蟲蛀，可進行。一種方法是用、殺蟲劑進行熏蒸，另一種是將防霉變的紙夾在書畫中，效果也很好。

In order to prevent moldy and moth eaten calligraphy and painting, disinfection can be carried out. One method is to use sterilization and insecticide for fumigation, and the other is to clip mildew proof sterilization paper into calligraphy and painting, which also has a good effect.

字畫的畫面如出現(xiàn)蛀孔、裂縫或殘缺，可進行嵌補。方法是將一張與舊字畫的質地、顏色相近的修復紙粘在要嵌補處，接口要均勻，晾干后用卵石反復平整，以不露修補痕跡。如果修復紙與原字畫的紙色仍有反差，可用茶葉水或顏料潤涂，力求色調和諧。用相同的筆墨、手法將畫面的缺筆接上補全。

If there are cavities, cracks or deformities in the picture of calligraphy and painting, they can be inlaid. The method is to stick a piece of repair paper with similar texture and color to the old calligraphy and painting at the place to be inlaid and repaired, and the interface shall be uniform. After drying, it shall be leveled repeatedly with pebbles to avoid any repair trace. If there is still a contrast between the repair paper and the paper color of the original calligraphy and painting, it can be moistened with tea water or pigment to strive for harmonious tone. Finally, use the same pen and ink and technique to complete the missing pen of the picture.