This study aimed at applying English reading and writing strategies' training to improve the low English proficiency students' competence of English reading and writing. It was a quasi-experiment design. In total, 70 non-English major undergraduates at a private university in China participated in the research, 35 students in the experimental group and the rest 35 students in the control group. The intervention of English reading and writing strategies training was applied to the experimental group over a 24-lesson period in 6 weeks. The control group received an English reading and writing course without the intervention in the same period of the class schedule. Meanwhile, this study applied SILL and PET to the pre-test and the post-test, and used statistical analysis to do data analysis. The result of a detailed one-way ANCOVA showed that the intervention of English reading and writing strategies training in the experimental group had a significant improvement in English reading and writing skills.