The external treatment of internal diseases was first recorded in Hwangjenaegyeong(黃帝內經), and two hundred and fifty odd cases were found in the Bonchogangmok(本草綱目) and Oechisusebang(外治壽世方). Bonchogangmok(本草綱目) is a technical book devoted to explaining materia media as well as the external treatment of internal diseases. Oechisusebang(外治壽世方) is also a technical book, which make 36 references to the disease patterns of internal medicine. The medicinals employed as external treatment of internal diseases are grouped into 300 classes. These medicinals do not set limits to trees and plants but also uses birds and beasts, reptiles, grains, feces and urine, soil, stone etc., applied to various disease patterns. This study researched the medical texts in order to treat the disease patterns of internal medicine.