PURPOSE: A joint treating material using fat stem cells and a joint treating method using the same are provided to inject the fat stem cell into the joint and reproduce cartilage, ligament, joint tendon, and muscle so that the joint treating material can treat every joint in the body.CONSTITUTION: A joint treating method using fat stem cells comprises the following step: directly injecting fat stem cells extracted from the human body fat into the joint. A fat stem cell reproduces the cartilages and ligaments by injecting the fat stem cells inside the joint. A fat stem cell reproduces the tendon and muscle by injecting the fat stem cells inside the joint. The fat stem cell treats the knee joints and hip joints. The fat stem cell treats the vertebra joints. The fat stem cell treats the neck articulations. The fat stem cell treats the shoulder joint. The fat stem cell treats the wrist joints. The fat stem cell is used for every articulation.COPYRIGHT KIPO 2012자가 지방에서 추출한 지방줄기세포를 유효성분으로 하는 관절치료제재 및 관절치료 방법으로써 관절 내에 지방줄기세포를 주입하여 관절을 구성하는 연골 및 인대, 힘줄, 근육 등을 재생함으로써 인체 내 모든 관절을 치료한다.