Environment-friendly and efficient pig raising method

The invention discloses an environment-friendly and efficient pig raising method, and relates to the field of animal husbandry. By the aid of the environment-friendly and efficient pig raising method, the technical problem that environmental protection and quantitative balance cannot be effectively taken into consideration in the prior art is solved. The environment-friendly and efficient pig raising method has the advantages that pigs are raised by different quantities of feed in different pigpens and fermentation beds according to four different phases including a suckling pig phase, a nursery pig phase, a growing pig phase and a fattening pig phase, manure and urine are treated by the aid of microbial fermentation principles, manure treatment is shifted forwards to be carried out in pig raising production link at one step, accordingly, input can be reduced, production can be improved, the manure is prevented from being externally discharged, and the problem of environmental pollution can be solved; the pig