The physician shall evaluate indication systematically to the patient before taking a surgery and general anesthesia. In other words, the physician shall notice that whether the patient systemic disease, like diabetes, heart and respiratory diseases, coagulation and the oxygen content of blood in artery. Moreover, the physician shall keep intravenous administration routes during the surgery, monitoring the biological phenomena to avoid complications, especially the supplement of infusion. What’s more, the physician shall after the surgery evaluate the functioning of the patient’s circulatory system, and monitor the biological phenomena. Therefore, the court will investigate into medical lawsuits by noticing that whether the physician has had faults before, during and after the surgery. It deems finally the negligence of the physician by doing so. The physician B has the responsibility to supply the infusion for the patient A during and after the surgery, while the anesthetist C shall during the surgery do so. There was no excuse for negligence and the patient A was dead as a result because of insufficiency of the infusion; the B and the C were negligent for it obviously.