Introduction: After PMT selection when a student enter in medical college, Then he/she first time introduce with cadaver. Cadaver is a term used for chemically preserved human dead body which are used for learning internal structure of human body. On cadaver student done dissection under observation of Anatomist which is very necessary for medical student for gaining knowledge of human body. Aim: Dissection is very necessary for medical student. By knowing position of organ, muscle, joint structure they correlate symptom with pathology and make diagnosis, and they can prescribe medical treatment or surgical treatment. Method: Dead body is preserved by infuse preservative (formalin) in dead body tissue, this procedure is known as embalming. After embalming dead body put in forma line filled tank for preservation. After preservation dead body is termed as Cadaver. Dissection of cadaver done by surgical instrument and By proper guidelines according to textbook for dissection under the observation of faculty of anatomy department. medical student by dissection know exact position of blood vessels, nerve, muscle, G.I.T., Viscera, bones and joint. Result: By dissection they correlate site of pain and affected organ. They make surgical incision by knowledge that where is blood loss is minimal after cutting and where is healing well after suturing.