The invention discloses a feed additive based on aloe peel powder and an application thereof. The feed additive for domestic animals comprises the raw materials based on parts by weight: 70-90 parts by weight of medicated leaven, 70-90 parts by weight of rhizoma acori graminei, 35-45 parts by weight of dried orange peel, 35-45 parts by weight of dyer woad leaf, 35-45 parts by weight of radix isatidis, 25-35 parts by weight of white paeony root, 25-35 parts by weight of radix sileris, 25-35 parts by weight of fennel, 25-35 parts by weight of liquorice and 90-100 parts by weight of aloe peel powder. The invention also provides daily ration for the domestic animals with the feed additive for the domestic animals. The feed additive or the daily ration for the domestic animals can drastically remove the damage to human health caused by formerly adding medicine and harmful substance into the feed, thus realizing real food green production. Natural resources at various regions are reasonablydeveloped and utilized such as the aloe peel (the waste when producing aloe glue), thereby not competing for raw materials with human products, expanding farmer reemployment to become rich, greatly reducing the pollution to the environment, and achieving the purpose of positive cycle of ecological environment.