Abstract: The effects of different fertilization modes that using biogas sludge and bio-liquid compared with using most chemical fertilizer to form product quality and soil fertility in Xingjiang village, Yongning county of Guangxi were made experimental analysis. The mechanism, which produced different effects, was made also theoretical analysis. Specific proposals were introduced about how to carry out further steps to modern eco-agriculture strategy, which could be consulted with regard to strengthening eco-agriculture construction throughout the country.