Maerlant, the first Dutch poet (about 1235 ~ about 1300) and 1257 began to write knight poems, and later wrote exhortation poems, rhyming bibles (127 1), flowers of nature and mirrors of history. He is in the lyric poem "Oh! Martin (129 1) expressed the idea of opposing feudalism and advocating social equality. During this period, the use of Dutch gradually replaced Latin. In the14th century, there were many religious works written in Dutch with the Bible as the theme, such as gospel stories, acts, stories about the end of the world and so on. The exhortation prose written by the mystic Lusbruck of Flanders (1293 ~ 138 1) has a great influence on later generations and is known as the "father of Dutch prose". His main work is The Beauty of Spiritual Marriage (1530). Under his influence, Kempis (1381~1471) wrote his masterpiece Imitation of Jesus Christ in Latin (144 1). After entering the15th century, ordinary citizens all over the Netherlands also learned to write poems and dramas, and comedies, religious dramas, mystery dramas, moral dramas and dramas adapted from knight novels also flourished.