The invention discloses a green harmless special organic fertilizer for farm produces, mixed of natural humic acid, peanut bran powder, bean cake, tea-leaf, adhesive, acid salt tolerance and regulating substance in weight ratios of 10-40 shares, 20-30 shares, 10-20 shares, 10-40 shares, 10-15 shares, and 3-8 shares, respectively; and its preparing method: crushing materials, adding in adhesive and premixing, and refining by the process 'secondary making particles, secondary drying' to make it. It has uniform and smooth particles, no phenomena of 'dirty, foul, wet, loose', etc, and no pollution to the environment, and is rich in nutrient substances of N, P, K, amino acid, S, Zn, Fe, Ca, Mg, etc, and has a pH value at 5.0-8.5; the content of heavy metals, harmful germs, hormones and drug residues is low, and it has no radiation. It can remarkably improve the quality of farm, produces, improve soil structure, and be suitable for the standard production of green harmless farm produces.