The invention belongs to the field of the preparation of burnt-out jeans wear, and particularly relates to a preparation method of burnt-out lace jeans wear. The method comprises the following steps:preparation of warp and weft yarns, size dyeing, weaving, finishing, processing clothes, burnt discharge, washing and ironing; the warp and weft yarns adopt covered yarns formed by covering core silkthrough double strands of cotton; the covered yarns adopt zero twist or low twist; the core silk adopts 1F to 24F nylon yarns, two strands of nylon yarns with the same thickness are twisted oppositely, the degrees of twist of the two strands of nylon yarns are the same, the two strands of nylon yarns are twined to each other, and generally, the core silk adopts zero twist; the double strands of cotton used for covering are twisted around the core silk; size dyeing adopts low-temperature dyeing and the tension during size dyeing is improved; weaving adopts weft yarn non-joint weaving; finishingadopts outer covered button zero shrink finishing; the clothes are manufactured through a preset style, a template figure is coated with winter cherry for burnt discharge, the clothes are washed with70 to 100 degree water, and drying and ironing are performed. The burnt-out jeans wear is comfortable and artistic, and laces are not slipped.