Finish defect detection method

The present invention discloses a bottle flaw detecting method comprising: S1, detects the finish area divided into a first inner, second inner, evaluation ring, sealing ring and the sealing ring region, and each area is detected; S2, the respective detection results are summarized, comprehensive test results to the output of the bottle, if all test results are normal, the output of the finish inspection normal, or abnormal output detection of the bottle. Finish proposed defect detection method of the present invention, detection speed, high precision, stable performance, easy debugging, suitable for real time continuous detection of defects on the finish high-speed automated assembly line.