Through investigating the effects that result from the form and preference of Ahnsan (案山) and Jusan(主山) symbolizing ground in the cases of 21 of the Korean Academics for classical learning which called Seowon(書院) located in South Korea of the whole 47, to layout the Korean Academics for classical learning, what factor Sarim(士林) preferred to and how they analyzed the form of circumjacent mountains by Fengshui. While the Jusan has intrinsic attribute due to connecting with the place, Hyuljang(穴 場) , the Ahnsan has public and extrovert. It can be explained that the Sarim who established the Korean Academics for classical learning had their internal hope and external justification. To put it concretely, because of their necessity of concentrating on their study within nature and their situation as hermits apart from government through long time, they made the Korean Academics for classical learning stable and satisfactory. Therefore, they had to choose Moogocksung(武曲星) as a Jusan. And their study was essential method to take their justification. And It was attractive for them to be a public officer by their study. So they preferred to Moonpilbong(文筆峯) symbolizing their achievements on their study. So the layout of the Korean Academics for classical learning tells us that the Sarim sought internal stability and external scholarship.