According to the query of Taobao platform, the length difference between trousers and trousers is about 2-3 cm. The length of nine-cropped trousers is nine tenths (9/ 10) of the length of normal trousers, or the length of trousers reaches the ankle position after wearing on the body. For example, the height is 160, and the pants are 98 cm, that is, the pants of 10 are only 88 cm.