TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Method: The method comprises crushing the straw to a size of 20-100 meshes sieves. The in vitro expansion is carried out using potato sucrose medium. The step of fermentation is carried by shaking flask culture and seed medium includes 5-30 g/l corncob powder, 0.1-5 g/l ammonium tartrate, 0.2-3 g/l benzyl alcohol, 0.2-1 g/l magnesium, 0.5-10 g/l Tween 80 (RTM: Polysorbate 80), 2-9 g/l potassium dihydrogen phosphate, 3-18 g/l phthalic acid, and a pH of 5-8, and sterilizing at 120-140 degrees C for 20-40 minutes. The step of culturing shake flask comprises inoculating test tubes with 16-48 vol.% strain spores under a rotational speed of 150 revolutions/minute at 30-50 degrees C for 24-72 hours. The step of first-stage seed culturing comprises inoculating 1-20 vol.% shake flask culture both into seed medium, at 30-50 degrees C, stirring speed of 50-200 revolutions/minute, aeration rate of 0.2:2:1 (volume/volume/minute) for 18-83 hours. The solid fermentation comprises ratio of seed liquid volume and fermentation medium that is 2-20 wt.%, culture material thickness of 0.5-0.8 m, width of 0.5-2 m, limited length, ventilation of 0.3-1.5:1 (gas volume/fermentation medium weight)/minute incubation time of 3-23 days, stirring up in the middle for 1 or 2 times, obtaining straw lignin degradation fermented product, with wine flavor and color of light brown to brown pigment. The strains are cultured in potato sucrose medium at 30-50 degrees C for 48-144 hours and stored at 4-10 degrees C, before performing shake flask cultures. The fermented product is added with cellulase and yeast to obtain ethanol fuel. Preferred Components: The Ceriporiopsis subvermispora is China general microbiological culture collection center deposited strain. The straw includes corn straw, rice straw, wheat straw, sorghum straw, soybean straw or cotton straw containing lignin. In the step of solid state fermentation, the fermentation medium solids comprises 10 kg straw, 20-60 kg water, 0.5-3 kg glucose, 0.05-0.2 kg urea, 5-15 g copper sulfate, 5-15 g ferrous sulfate, 5-20 g manganese sulfate.