The invention discloses a method for feeding livestock ecologically, belonging to the technical field of feeding. The raw materials comprise the following components by weight part: 600-800 parts of rice husk and/or leaves and/or crashed straws and/or sawdust, 70-100 parts of red clay and/or yellow clay, 0.8-1.2 parts of edible salt, 0.5-1.2 parts of microbial beneficial bacterial strain and 300-500 parts of water. The invention has advantages that the mixture of the invention is paved in a feeding yard, the excrement of pigs is scattered on the mixture, through the ferment of the microbial beneficial bacteria, the smell of the excrement is dispersed, and more important is that the decomposed materials can be eaten by the pigs so as to save part of feed, in addition, the pigpen is unnecessary to be cleaned frequently, the periphery of the pigpen has no stink, thereby the labor intensity of feeding livestock is reduced.