Li Jima systematically classified the four-image medicine in his book "Oriental Medicine Hand Food Treasure Source". Four-image medicine is a philosophical term derived from "Taiji principle". Since everything is derived from the relativity law of the four images of Yin and Yang, he believes that the structure of human viscera is also formed by the deficiency and excess of Yin and Yang, which is the main point of the four images medicine. Through his own clinical experience and the clinical experience of many patients, Li Jima actually learned that life phenomena such as physique, disease, health preservation and mood are closely related to human organs, and asserted that according to the function, strength and size of internal organs, human physique can be divided into four types: Sun people, young people, Taiyin people and young Yin people.

Sun Man ... refers to a person with big lungs and small liver.

Young people ... refer to those with big spleen and small kidney.

Taiyin people ... refer to the big liver and small lungs.

Shaoyin people ... refers to the base area of Keming Party, a man with a big kidney and a small spleen, who was raided by officers and men, so Jima and Uncle Deyong, who took care of him since childhood, began to wander around the country. He met many patients in the process of vagrancy, and his own "four-image medicine" was also certified by clinical experience. In this process, traditional Korean doctors have always classified him as a dissident. At this time, Jima learned from Rong Yun that Master Qiu Ciren had run away from home, so he set out to look for the master. He deeply felt the face of a real doctor who suffered a medical accident in The Master ... Although Jima couldn't forget Cher, he married her because he had agreed to marry Rong Yun. However, Jima once again embarked on the great road of "Four Elephant Medicine", and his "Four Elephant Medicine"