Ru-Shih Liu was a famous and respectable poet in the 17th Century (from 1618 to 1664) in China. Because of her special background, extremely excellent writing techniques and creative thinking, she was very active in the history of literature and left many theses. Her first poetry publication was published at the age of 21. Zu-Loong Chen helped her to write the introduction and promoted her a lot. The next year, her friend invited her to travel to Hangchow, where her second poetry publication was published. Most of her poems¡¦ ideas were from her travel experiences, so this poetry publication was named ¡§Grass of lake¡¨. At that time she was only twenty-two years old. Because of her special life experience, her study presented a kind of excellent art style and worthy literature. The purpose of this research is to analyze the poetry of her second publication as the main subject and research her creative thinking characteristics and artistic performance. The background of her writing and thoughts can be understood by her biography. Six topics were set to analyze the purpose and essence of her creations. Writing styles were concluded by the skills of writing: such as purports of time, purports of space, purports of humanity and purports of nature. The value and style of her poetry was investigated by the evaluation of later literature and analyses of her poetry. Moreover, Ru-Sheih Liu and her poetry influenced female literature development, the exaltation of national integrity and the promotion of life spirit during the late Ming Dynasty.