The invention provides a pig fodder, belonging to the technical field of fodder processing. The pig fodder is prepared through the following steps: heating, stirring and mixing paris polyphylla root,Chinese lobelia herb, peristrophe japonica herb, herba bidentis bipinnatae, rhizoma arisaematis and water, filtering, decompressing and concentrating to obtain a traditional Chinese medicine extracting solution; mixing, standing and swelling agar powder and water in a mass ratio of (1:50)-(1:100), then heating, stirring and mixing to obtain agar liquid; mixing soybean curb residue, soya bean meal,wine residue, the traditional Chinese medicine extracting solution, vitamin, shell powder, plant essential oil, the agar liquid, sepiolite, pollen, lotus root starch, caffeine, biogas slurry and a glucose solution, fermenting, decompressing and concentrating, squeezing to granulate, and drying to obtain the pig fodder. According to the technical scheme, the prepared pig fodder has the characteristics of improving reproductive performance and increasing yield, not only is the yield of piglets improved, but also the pork quality is obviously improved, secondly, anti-venom factors exist in pork,after eaten by a person, the anti-venom factors in the pork enter a human body, and the anti-venom capacity of the human body is enhanced.