Basic fertilizer capable of improving yield of sugarcanes and preparation method of basic fertilizer

The invention provides a preparation method of basic fertilizer capable of improving the yield of sugarcanes. The preparation method comprises the following steps: (1) crushing the following components in parts by weight: 75 to 85 parts of pig manure, 8 to 12 parts of soybean straw, 12 to 16 parts of rapeseed straw, 3 to 5 parts of rice husk, 4 to 6 parts of cotton husk, 3 to 5 parts of corncob and 0.1 to 0.3 part of vermiculite; uniformly mixing; (2) stacking the materials which are uniformly mixed in the step (1) and fermenting, wherein the height of the materials is 1.2m to 1.4m and the environment temperature is 15 DEG C to 25 DEG C; overturning for one time every 3 days and fermenting for 40 to 44 days to obtain the basic fertilizer. The invention further provides the basic fertilizer prepared by the method provided by the invention. The basic fertilizer provided by the invention can provide enough nutrients for the sugarcanes; the sugarcanes grow vigorously and the disease resisting capability is high.