【正确答案】Writing brush, a traditional writing tool originated from China, has also gradually become a traditional painting tool. Writing brush was invented by the Han people during their production practice. With the constant development of human society, the diligent and intelligent Han people kept summing up the experience. Discarding the dross while assimilating the essence, they strive to explore and blaze new trails. Over thousands of years, writing brush has made great contribution to creating the splendid culture of the Han people and to promoting the cultural exchange between people of all nationalities and the Han people. Writing brush is a treasure that the Han people have provided for the world's arts treasure house.