The invention discloses feed of 2-3-week-old chicks and a preparing method of the feed, wherein the feed comprises the following ingredients: corn flour, licorice powder, millet, sticky rice, DDGS (distillers dried grains with soluble), rapeseed meal, mung bean flour, lotus root starch, carrots, yam powder, bombyx batryticatus powder, capsanthin pigments, rice husks, wheat bran, soybean cake, peanut cake, broken rice, wheat shorts, mountain flour, bone powder, fish meal, shell powder, calcium hydrophosphate, corn oil, common salt, vitamin premix and trace element premix. The preparing method of the feed comprises the following steps: a crushing step, a proportioning step and a granulation step. The feed and the preparing method have the beneficial effects that the feed has the effects of invigorating spleen to remove dampness, clearing away heat and toxic materials, cooling the blood and stopping the dysentery; the feed is used for mainly treating the dysentery of the 2-3-weak-old chicks; meanwhile, the feed can also be used for regulating the yin and yang qi and blood of the chicks; the cure rate is high; the treatment course is short; the medicine residue quantity is low; meanwhile, the immunity and the disease-resistant capability of the chicks can be enhanced.