The general anticoagulation bleeding risk assessment is an element that must be checked before the patient undergoes surgery, for the existence of blood indicators within a reasonable and safe range, and to evaluate the development of the surgery is also a guarantee of life safety. This test is mainly a blood draw to check the coagulation function of the patient to avoid intraoperative hemorrhage, but it is all done before the surgery, which will greatly reduce the risk of the patient during the surgery. So there is no need to be overly anxious, you must relax before the surgery, never be nervous, in addition you can also eat appropriate vitamin-rich food, and be sure to keep enough sleep time, and cooperate well with the doctor to do a good job in the pre-operative examination.