The invention provides a breeding method capable of improving chicken quality. The breeding method capable of improving the chicken quality comprises a feed formula and a detoxification drug formula, wherein the feed formula comprises, by weight, 50% of corns, 20% of wheat bran, 10% of bean-cakes, 5% of green-hay powder, 3.8% of rice bran, 5%of cottonseed cakes, 3% of fishmeal, 1.5% of bone flour, 0.3% of salts, 0.4% of methionine, 0.5% of microelement premix feed, and 0.5% of disinfection drug. The detoxification drug formula comprises, by weight, 40 % of liquorice, 20% of scutellaria barbata, 12% of dandelions, 13% of garlic heads, and 15% of mung beans. Chicken are bought form a chicken farm, and the chicken are product chicken so that negative factors of breeding early days, slow growth, multiple diseases, medicine expenses and the like are avoided. Breeding periods are selected in spring and autumn, the temperature in spring and autumn is suitable for chicken growth, and diseases for the chicken are few. Original hormone residue and drug residue in chicken bodies can be fundamentally removed due to the fact that no hormone annexing agents are added into self-made feed and Chinese medicinal herb which has detoxication functions are added. The breeding method of the chicken is free-ranging and green grass and insects are a part of food sources. Thus, feed is saved, and the quality of chicken is improved.