The invention discloses a special nutrient ointment for bitches, and a preparation method thereof. The special nutrient ointment is prepared from the following raw materials: chicken liver, maize meal, sweet potato leaves, rhizoma dioscoreae, apples, malabar spinach, jack fruit, herba leonuri, snow hare, flowers or roots of lightyellow snapweed, fructus crataegi, Eucalyptus globulus Labill., herba portulacae, white fungus, pig blood, radix rehmanniae praeparata, radix angelicae sinensis, camellia oil and salt. The special nutrient ointment for bitches can effectively resist bacteria and diminish inflammation, promote discharge of purulent blood in uteruses of the bitches, and eliminate weakness and anemia symptoms in the therapeutic process of the sick bitches, is easy to feed, can promote the appetite and digestive absorption of the bitches and effectively treat open pyometra of the bitches, has a remarkable curative effect, is safe, has no toxic or side effects, and achieves low probability of recurrence after healing.