The invention relates to the field of livestock and poultry culture, in particular to a special insect repellant for blue peacock. The special insect repellant for blue peacock is prepared from the following raw materials in parts by weight: 30 to 54 parts of allicin, 8 to 14 parts of fresh ginger powder, 12 to 19 parts of tea residues, 1 to 8 parts of sulfur, 5 to 13 parts of sterilant, 10 to 18parts of effective components, and 2 to 11 parts of traditional Chinese medicine additive, wherein the sterilant is prepared from origanum oil, pine needle meal and herba dianthi chinensis; the effective components comprise mulberry fruit, flos camelliae japonicae, eucalyptus leaves and herba menthae. The special insect repellant for blue peacock has the advantages that by adopting the traditionalChinese medicine preparation, the safety effect is realized, any toxic or side effect is avoided, the antibiotics are not contained, the healing effect on coccidiosis is good, and the pollution to environment is avoided.