NOVELTY - Preparing immobilized yeast cell by regarding corn stalk fiber as carrier and generating fuel ethanol by fermentation of kitchen waste, comprises modifying the corn stalk by the cellulase to be the carrier to prepare the immobilized yeast cell, performing enzymolysis for the biomass waste in the kitchen waste, performing centrifugal separation, adjusting sugar degree and pH value, performing inoculation for the immobilized yeast cell to perform anaerobic fermentation and performing distillation extraction to obtain the industrial ethanol.    USE - The method is used for preparing immobilized yeast cell by regarding corn stalk fiber as carrier and generating fuel ethanol by fermentation of kitchen waste (claimed).    ADVANTAGE - By using the immobilized cell method, the method above is convenient in operation, low in cost and high in mass transfer efficiency in the fermentation process and capable of realizing repeated batch fermentation and continuous fermentation. The method regards the kitchen waste as the raw material to generate the fuel ethanol which is cheap in raw material, less in investment and low in cost. The method realizes harmless property, reduction and recycling of the kitchen waste.    DETAILED DESCRIPTION - Preparing immobilized yeast cell by regarding corn stalk fiber as carrier and generating fuel ethanol by fermentation of kitchen waste, comprises (a) decorticating the corn stalk, cutting the same into pieces, weighing the stated amount of the pieces of the strew, putting the same in 0.05 M phosphate buffer solution of pH 4.8, still adding the cellulase to perform enzymolysis reaction at 40 degrees C, where the amount of the cellulase is 5-50 FPU/g straw; the enzymolysis time is 0.5-6 hours; after finishing the reaction, cleaning by the tap water till having pH be neutral; (b) drying of the carrier, drying the carrier of the corn stalk prepared well at 50 degrees C to be the constant weight for future use; (c) pre-calculation of the cell, putting the yeast strain in the fermentation tank containing Yeast Extract Peptone Dextrose (YPD) culture medium, performing calculation for 24 hours at 30 degrees C and 150 rounds per minute (rpm), performing centrifugation at 4 degrees C and 8000 rpm to obtain the thallus, hanging the same in the physiological salt water to form 1 x 109 cells/ml of the yeast cell concentration liquid for future use; (d) preparation of the immobilized cell, soaking 1-1000 g drying carrier in each liter of the cell suspension liquid, performing calculation for 24 hour at 30 degrees C and 100 rpm, filtering and removing the free cell for future use; (e) sorting the kitchen waste, selecting the non-biomass waste to be classified and reclaimed; (f) mixing the kitchen waste going through sorting with the water according to the proportion of 1:0.5-2, adding alpha -amylase and diastatic enzyme to enzymolysis, keeping the temperature at 40-80 degrees C for 1-8 hours, adding 1-50 mu alpha -amylase and 1-200 mu diastatic enzyme in each gram of the biomass waste; (g) performing enzymolysis for the kitchen waste going through sorting and performing centrifugation to obtain the enzymolysis liquid for ethanol fermentation and putting the solid residue in the methane tank; (h) detecting sugar degree and pH value of the enzymolysis liquid, adjusting two parameters, where the adjusted sugar degree is 18-22% and the pH value is 4-7; (i) performing inoculation for the enzymolysis liquid with the industrial alcohol yeast to perform anaerobic fermentation, where the inoculation amount is 1-10% (w/v) and the fermentation temperature is 30-34 degrees C; at last forming the fermentation liquid containing 8-11% ethanol; and (j) performing extraction for the ethanol, performing distillation extraction for the ethanol fermentation liquid to obtain the fuel ethanol product.