The first modern hospital, royal Kwang-Hye-Won (House of Extended Grace) was established in April of 1885, whose name was changed into royal Che-Jung-Won (House of Helpfulness) in several days. Private (not royal) Je-Jung-Won opened its Medical School in 1899. And the teachers composed of western missionaries taught some Korean student-assistants the Western medicine with English textbooks in English. With very low effectiveness of teaching due to language barrier, Dr. Avison, the principal of that school decided to write medical textbooks in Korean. At first he tried to translate Henry Gray's Anatomy of 1859. In the effort he referred some Chinese and Japanese medical books. With that reason, we can find many Japanese style medical terms in some medical books of his. On the other hand, Eui-Hak-Kyo (the Medical School) was established by the Government of Dae-Han Empire in 1899. The teaching staff of the school published medical textbooks in Korean, some of which were written by Japanese doctors. After the Japanese annexation of Korea in 1910, Japanese government forced teachers of the school to teach with Japanese medical books and to speak Japanese in teaching. ...