Health-care compound feed for cad pig and application method of feed

The invention discloses a health-care compound feed for a cad pig and an application method of the feed. The feed comprises a first-stage compound feed and a second-stage compound feed, wherein the first-stage compound feed is prepared from the following components in percentage by mass: 30-40 percent of corn, 22-35 percent of extruded corn, 3-15 percent of wheat brans, 1-10 percent of fish meal, 5-15 percent of soybean meal, 4-15 percent of fermented soybean meal, 0.5-1.0 percent of coconut oil, 0.5-1.0 percent of soybean oil, 0.5-1.0 percent of fish oil, 0.7-0.9 percent of limestone powder, 0.6-0.8 percent of calcium hydrophosphate and 1-3 percent of a premixture I. The feed disclosed by the invention adopts a stage-by-stage feeding mode; firstly, factors causing ossification are eliminated; subsequently, the digestion and absorption function of the pig is regulated; nutrition supply and body metabolic level are enhanced, so that the cad pig can be effectively treated to restore to the normal growth level.