Since the Ming and Qing Dynasties,there have been many criticisms and explanations on the plot mistakes in The Tale of Pipa,but they neither probed into the cause of the mistakes and nor provided detailed evidences,which makes it impossible to reach a justifiable conclusion.

On the basis of quality inspection of gauze, sain, crepe and chiffon, analyses are made on such factors as fabric material, yarn, weae, density and aftertreatment relating to slippag of the product, with measures to diminish slippage suggested.

The main idea of this article is by through three methods including fixed-slippage-amount method, fixed-load method and analog method to test the slippage performance of pure silk fabrics.