Calligraphy and painting are one of the most important categories of collection. The collection of paintings and calligraphy in National Museum, library and archives has special personnel management, and the storage conditions are relatively good. But there are also a lot of calligraphy and painting enthusiasts like private collection, and do not know how to properly keep it, so the following methods can be referred to.

光是对画影响的自然因素，特别是紫外光，它可使画面颜料蜕变、分解，导致纸质变化。因此，在挂画时，不能靠近窗户，避免太阳光直接照射画面。灯泡或日光灯发出400－700个nm(纳米）可见长，虽说影响不大，但长时间近距离照射也能使字画纸质变黄。

Light is the most important natural factor that affects the painting, especially the ultraviolet light, which can make the pigment metamorphic and decompose, and lead to the change of paper. Therefore, when the painting is hung, it can not be close to the window to avoid the sun's direct exposure to the picture. The lamp or fluorescent lamp emits 400-700 nm (nm) visible long, although the impact is not big, but long time brachytherapy can also make painting yellow paper.

根据大量的实验证明，山东收购名人字画适宜的保存温度为14℃－18℃，合适的相对湿度为50%－60%，这样的条件，不利于微生物、霉菌的生长和繁殖。控制湿度，主要用干燥剂变色硅胶或无水氯化钙。控制温度，则可用空调调节室内温度。

According to a large number of experiments show that the most suitable for the acquisition of Shandong celebrity calligraphy preservation temperature of 14 DEG C - 18, relative humidity is the most suitable for the 50% - 60%, such conditions are not conducive to the growth and reproduction of microorganisms, fungi. Control humidity, mainly use desiccant discoloration silica gel or anhydrous calcium chloride. To control the temperature, the air conditioning can be used to adjust the temperature.

我们会用优良的、贴切的服务，让顾客感受到亲情般的温暖，始终视顾客的如己如亲。我们会用自然优势打造产品的独特之处，从而给消费者带来享用产品时独特的心境。

We will use a good, appropriate service, let customers feel the warmth of family like, always look at the safety of customers as if they are friendly. We will use the natural advantage to create the unique features of the product, so as to give consumers the unique mood to enjoy the product.