Before minimally invasive surgery, blood samples should be examined as follows:

1, blood routine: check the number of white blood cells, red blood cells, platelets, etc. In the blood, and judge whether the patient has infection, anemia, etc. Routine blood examination is helpful for doctors to know the patient's physical condition.

2. Coagulation function: It is mainly to check whether the patient's coagulation function is normal, and it can judge whether the patient has thrombotic diseases, which is beneficial for doctors to understand the patient's condition.

3, liver and kidney function: mainly to check whether the liver, kidney and other organs have abnormal functions, you can understand the patient's physical condition, which is conducive to doctors to understand the patient's condition.