This study aims to explore ways to apply PBL to the college general writing course for foreign undergraduates, and to suggest the instructional design plan for intermediate and advanced learners of the Korean language.First of all, this paper reviewed the goals of general writing education at university, discussed the specificity of foreign undergraduates, and examined the possibility of applying PBL to college writing. In addition, this study analyzed the demands of problem-solving skills from the school, and from within society, along with the needs for writing education of 151 foreign undergraduates.Based on the above discussion, this study proposed the goal of college general writing for foreign undergraduates in order to cultivate their problem-solving ability, their critical thinking ability, their creativity, and their communication and collaboration ability. In addition, it presented the instructional model applying PBL in the writing process. This model can be differentiated according to the Korean proficiency standards. Lastly, through the course plan of K university, the problem to solve, the team composition, the learning support tools, and the required final product for intermediate and advanced learners are presented.