纸质文物种类繁多,主要有书籍、字画、契约、纸币和经卷等。近年来,书画收藏趋热,更多的人收藏书画,不只是为了欣赏,而是作为一种投资途径。收藏书画有五忌:一是忌污染,如油渍、汗渍、茶渍和灰尘等,灰尘常吸附酸性物质、霉菌孢 A wide range of paper artifacts, mainly books, calligraphy and painting, contracts, notes and the volume and so on. In recent years, the hot collection of calligraphy and painting, the collection of more people calligraphy and painting, not just to appreciate, but as an investment route. Collection of calligraphy and painting have five bogey: First, avoid pollution, such as grease, perspiration, tea stains and dust, dust often absorb acidic substances, mold spores