The invention discloses a complete formula feed for domesticated snakes. The complete formula feed is prepared from the following raw materials in parts by weight: 40 to 90 parts of fish meat, 5 to 40 parts of chicken meat, 5 to 40 parts of duck meat, 5 to 20 parts of flour, 0.1 to 0.5 part of hawthorn fruit powder, 0.05 to 0.5 part of coptis chinensis powder, 0.01 to 0.5 part of astragalus membranaceus powder, 0.05 to 0.5 part of pericarpium citri reticulatae powder, 0.01 to 0.1 part of compound enzyme, 0.001 to 0.01 part of decavitamin, 0.001 to 0.01 part of microelement, 0.001 to 0.005 part of wild silkworm spore fungus, 1 to 5 parts of wheat plant protein powder, 2 to 10 parts of sodium alginate and 2 to 10 parts of calcium chloride. After the domesticated snakes are fed by the complete formula feed, the domesticated snakes have the characteristics of rapid growth, few disease suffering times, good digestive absorption and low parasite infection rate. Thus, the survival rate and the fecundity of the domesticated snakes are obviously improved.