Wheat straw is abundantly found agriculture waste having low commercial low value. Wheat straw is lignocellulosic biomass which can be used for the production of bioethanol. As fuels are depleting source of global world so ethanol can be used for alternative source. Pre-treatment method is used for lignocellulosic biomass for improving the hydrolysis of the wheat straw as it contains high amount of cellulose and removal of lignin and hemicellulose. Cellulose convert into the reducing sugars and then to the ethanol. Presented review paper focus on the methods of pre-treatment.