Elasticity trousers of waist fold

The utility model discloses an elasticity trousers of waist fold, its characterized in that, it includes: the trousers body, the waistline department of the trousers body is equipped with the many vertical fold lines that are the sequence and arrange, many set up between the fold line in the interval that equals, the waist mouth is equipped with the elastic component and connects many the linear one -tenth ruffle line of fold, the trousers body is equipped with the hasp subassembly in the positive centre of waistline in the front, be equipped with the mold insert position in the middle of the hasp subassembly, the hasp subassembly is connected on the fold line. This product passes through the fold elastic design (allowable stress design) and combines the hasp subassembly, and the loose of increase trousers waist is tightly debugged, and humanized design realizes and the more comfortable laminating of health more, improves degree comfortable and easy to wear, and the connection of positive waist department is