由于历代皇室与私人争相收藏,所以书画更多地在市场上流通起来。杜甫有诗曰:“忆昔咸阳都市会,山水之图张卖时”,可见卖画卖书法在当时就已经成为一种行业。据文献记载,在唐代以估书画得官的除胡人穆聿外,还有辽东人王昌、杭州人叶丰、长安人白颖、洛阳书贩杜福、刘翌、齐光、 Due to the competing royal family and private collections, so more calligraphy and painting circulation in the market together. Du Fu poem said: “Xi Xianyang metropolis will be, when the landscape of the map to sell”, we can see selling calligraphy and painting sold at that time has become an industry. According to the historical records, in the Tang Dynasty, in order to estimate the calligraphy and painting in addition to Hu Man Mu Yuk, there are Wang Liaotong people, Hangzhou Ye Feng, Chang Ying Bai Ying, Luoyang book vendors Du Fu, Liu Yi, Qi light,