The invention relates to a medium for producing glucosamine, including 25-500 g/L molasses, 0.01-100 g/L soybean hydrolysate or 0.25-100 g/L corn steep liquor, 0.1-2 g/L MgSO4.7H2O, 0.1-0.5 g/L Al(NO3)3, and 1-5 mL/L methanol. The invention also relates to a method for producing glucosamine, including providing microorganism being able to produce glucosamine, and fermenting the microorganism in the medium mentioned above.