The subject of this piece is Yu Youren's calligraphy. The collection was composed by Yu Youren, a famous modern educator and calligrapher. The whole calligraphy is vigorous and powerful, and the ink is very refined. The collection is well preserved and the paper is not soaked. According to statistics, Yu Youren's calligraphy is rare at present. According to its popularity in the market, it is also loved by collectors. In recent years, due to China's increasing attention to the cultural industry, the value of artworks has increased, and the collection consciousness of domestic collectors has also been greatly improved. Investment in art has become the only choice for many capitalists. Judging from the transaction records of major auction houses in recent years, the popularity and turnover rate of rare artworks are very good. Therefore, whether from the perspective of collection value or investment, the collection is very worthwhile to start with.