The necessary therapeutic surgery is intended to save a patient from death such as: the case of appendicitis explosion, the case of the explosion of the twelve, the condition of the intestinal obstruction, the condition of the stomach explosion, and save the life of the patient which is the goal of this kind for the interests of the intended Sharia, The soul is the second order of the five necessities, so the surgeon must perform the surgical procedure and he should not refrain from doing so.