茅盾的《水藻行》与许地山的《春桃》,并无事实上的承传或影响关系,但在人物性格、故事框架上相似相同而交互相映.在中国现代文学发展史与作家创作历程中,均是开拓题材的一次探索.两篇均涉及严峻的伦理道德,大致包括夫权、父权、妇道、人道诸方面.作为中国现代文学园地里的两朵奇葩,正是“平行研究”的好范例. Mao Dun’s “algae line” and Xu Di Shan’s “spring peach”, no factual inheritance or influence, but in the character and the story frame similar to the same and interact with each other.In the history of the development of modern Chinese literature and writing process, Both of them are pioneering subjects for exploration, both of which involve serious ethics, including husband’s rights, patriarchy, women’s and humaneness.As two wonderful works in the field of modern Chinese literature, it is a good example of “parallel study” .