The invention discloses dog food with the resistance enhancing function. The dog food comprises, by weight, 10-20 parts of pork, 20-30 parts of chicken, 5-10 parts of eggs, 30-50 parts of carrots, 15-25 parts of cabbage, 30-50 parts of bean pulp, 40-50 parts of maize meal, 10-15 parts of flour, 10-15 parts of chicken liver, 5-10 parts of bone flour, 4-7 parts of cod-liver oil, 5-8 parts of atractylodes macrocephala, 7-10 parts of liquorice and 4-6 parts of radix astragali. According to the dog food with the resistance enhancing function, the adopted pork, chicken, eggs, bean pulp, maize meal, flour, chicken liver, bone flour and cod-liver oil can well meet the daily nutritional requirement of a pet dog, the carrots and the cabbage contain beneficial microelements, the atractylodes macrocephala, the liquorice and the radix astragali are the Chinese herbal medicinal ingredients for effectively enhancing the immunity, the dog food is in a puffing state, storage is convenient, and feeding is convenient.