Due to the unstable factors that are difficult to eliminate in various stages of product production and management,there are certain fluctuations in product quality.In order to ensure that the products submitted for inspection meet relevant regulations and requirements,quality consistency inspection must be carried out.Quality consistency test is a testing method used to evaluate the stability and consistency of product quality,determine whether the product quality and functional performance are stable during the production process of the relevant production line,and determine whether the product can meet its design quality requirements.This civilization defines the concept of quality consistency testing,lists common problems in quality consistency testing under appraisal status,and provides corresponding solutions with reference to relevant standards.