Prothrombin time is a little high, usually can do surgery. Generally not more than three seconds or more, there is no significant impact on the operation, but also with the other three indicators of the four coagulation examination, including fibrinogen and platelet count function for comprehensive examination. If the prothrombin time PT alone is slightly abnormal, other indicators are not abnormal can be normal surgical treatment. Prothrombin time is also affected by drugs, anemia, hepatitis and blood system diseases, so it needs to be judged comprehensively.