The invention relates to a laundry sheet which comprises film former, sodium olefinsulfonate, coconut oil base methyl glycollic amide, coconut oil amide propyl lycine, ethylene diamine tetraacetic acid tetrasodium salt, preservative, filling material, white oil, essence, pigment and deionized water. The laundry sheet is prepared by the following steps: evenly mixing the raw materials according tomass parts, carrying out film formation by drying to a obtain paper type laundry sheet, cutting, punching, packaging and the like. The invention implements paper type laundry detergent in the aspect of physical shape, maintains the washing effect of the traditional laundry detergent, has the characteristics of less foam and high efficiency, and can be completely dissolved in water; the laundry sheet is convenient to store and use, and avoids the overflow problem in the common laundry detergent, thereby avoiding mess and difficulty in cleaning due to overflow of the laundry detergent; and the laundry sheet is convenient to, overcomes the defect that the traditional laundry detergent has heavy volume and can not be conveniently carried and stored after being opened, thereby providing convenience for clothes cleaning for people on a journey. The laundry sheet is free of any environment-polluting component, and can be completely degraded naturally, thereby making a contribution to environmental protection.