Ssu Ma Sang-Tun (1918-1981) was an important reporter and also a writer in 1950s. He has published two novels called "The Moment When the Floods Is Invading" and "The Wild Mare". His name has been rarely mentioned in the literary history across the strait, and has been put in an incorrect position, causing long-term neglection. The literary style of Ssu Ma Sang-Tun should be traced back to his own complicate historical background and different ideology especially effected by the Sino-Japanese War and The Civil War which were also the main themes of his novels. This review focuses on two novels "The Moment When the Floods Is Invading" and "The Wild Mare" and discusses the war-writing in both, hoping to be the reference and preview before reading his novels.This article consists of five sections. The first discusses the historical evaluation on him and the importance of the memorial collection of the author. The second discusses the transforming process of his ideology during his schooldays, imprisonment, novel publication and prohibition, hoping to provide an overview on his whole life. The third part illustrates the violence in wars and the entanglement of humanity in his novels. Almost every novel of Ssu Ma Sang-Tun was connected with war and thereby the complicated situations of humanity. The fourth part discusses his humanism and patriotism which explained the relationship with the concept of "Freedom and Humanism" after he arrived in Taiwan. The last part concludes the ariticle with "Scar Literature", reflecting the true value of Ssu Ma's characters and all of his novels.