Microbial fermentation feed and preparation method of feed

The invention discloses a microbial fermentation feed. The feed is prepared from the following raw material components in parts by weight: 20-60 parts of soil powder, 8-12 parts of edible plant stem and leaf powder for pigs, 20-55 parts of vegetable protein-containing nutrient substance powder, 5-20 parts of animal protein-containing nutrient substance powder and 0.5-1.5 parts of a microbial fermentation strain composition. The invention also provides a preparation method of the microbial fermentation feed. According to the present invention, the microbial fermentation feed has the advantages that the disease prevention and resistance of pigs are improved, the meat quality of pork is improved, the gastrointestinal environment of the pigs is improved, no antibiotic needs to be added, the feed is nutritional and healthy, and after the pigs eat the feed, excrement excreted by the pigs is odorless, does not breed mosquitoes and does not pollute the environment. The microbial fermentation feed of the invention is