The present invention discloses an ecological pigeon feed and a preparation method thereof, and relates to the technical field feed of feed formulation and processing. The ecological pigeon feed consists of the following raw materials in parts by weight: 5-25 parts of pear residue, 5 to 35 parts of grape residue, 2-10 parts of oat, 5-15 parts of green bean, 5-20 parts of sorghum, 5-20 parts of soybean meal, 10-45 parts of corn, 5-25 parts of wheat bran, 5-10 parts of castor beans, 5-15 parts of trchosanthes kiriowii seed kernels, 1-5 parts of hawthorn, 0.5-4 parts of pericarpium citri reticulatae viride, 1-3 parts of celosia cristata, 1-4 parts of shrimp powder, 1-4 parts of ajowan, 1-5 parts of momordica grosvenori, 1-6 parts of aloe, 0.5-5 parts of orange peel, 1-2 parts of skullcap, 1-2 parts of eggshell powder, 0.5-1 part of angelica, 0.5-1 part of glehnia littoralis, 0.5-2 parts of selenium yeast, 0.5-1 part of glycine zinc, 1-10 parts of salt and 3-5 parts of bentonite. The preparation method mainly includes decoction and fermentation of traditional Chinese medicinal plaster. The prepared feed has good palatability; the added traditional Chinese medicine herbs can effectively improve disease resistance of the pigeons and can prevent various diseases; the prepared feed has effects of promoting digestion, eliminating stagnation, invigorating stomach, regulating the middle warmer and promoting growth and development of the pigeon. The preparation method in the present invention can reduce costs and increases palatability so as to increase meat and egg weight of the pigeons.