《四河入海》100卷是五山禅僧笑云清三编的苏诗的講義録集。五山是在京都、镰倉分别有的五个大寺廟。镰倉的五山是建长寺、园觉寺、寿福寺、净智寺、净妙寺。京都的五山是天龙寺、相国寺、建仁寺、东福寺、万寿寺(还有南禅寺,在京都五山的上层)。以这些五山禅僧为中心,中国诗文的创作活动和研究很盛行。这些五山禅僧做的诗文叫做“五山文学”。镰倉时代 “Four Rivers into the Sea,” 100 volumes are five mountain Zen monk laugh Yunqing three series of poems written by the Soviet Union. Five mountains in Kyoto, Kamakura, respectively, there are five major temples. Five mountains in Kamakura are built long temple, Park Jue Temple, Shou Fu Temple, net Zhi Temple, Temple of the net wonderful. Kyoto’s five hills are Tianlong Temple, Xiangguosi, Jianren Temple, Tofukuji Temple, Wanshou Temple (there Nanzenji Temple, the top of the five mountains in Kyoto). With these five Zen monks as the center, Chinese poetry and writing activities and research are very popular. These five monks Zen monk’s poetry is called “five mountain literature ”. Kamakura era