Health-care composite feed preventing diarrhea of piglets relates to the technical field of animal feed and is prepared from the following raw materials in parts by weight: 400 parts of puffed bean powder, 40 parts of rice flour, 20 parts of bran, 5 parts of shrimp shell, 3 parts of a premix, 25 parts of corn flour, 15 parts of imperata cylinarica rhizome, 1 part of bamboo shoot, 20 parts of rice wine, 20 parts of potato, 20 parts of edible fungi residues, 15 parts of green alga powder, 5 parts of dry ginger powder, 132 parts of green soya bean powder, 15 parts of broussonetia papyrifera fruit, 10 parts of lotus root starch, 2 parts of black tea, 2 parts of silkworm chrysalis powder, 5 parts of fish meal, 5 parts of grease, 40 parts of edible salt and 8 parts of a traditional Chinese medicine additive. Compared with conventional feed, the compositions of the feed comprise the traditional Chinese medicine additive which cooperates with a feed carrier for playing a role, so that the feed helps to satisfy normal nutrition demands of piglets, also gives play to fortify stomach and promote digestion, helps to increase the intake of piglets, avoid appearance of gastric ulcer of pigs and improve immunity of piglets, and also is capable of promoting growth of piglets; and the feed is free of toxic and side effects, does not generate drug resistance, does not pollute environment, helps to increase body immunity, and is fast in effectiveness and low in price.