The invention discloses a fertilizer special for planting dendrobium officinale. The fertilizer is prepared from, by weight, 30-50 parts of organic fertilizer, 20-40 parts of pine bark, 15-35 parts of potassium citrate, 20-30 parts of plant ash, 5-15 parts of edible mushroom leftovers, 3-8 parts of shaddock peel, 5-10 parts of pine needles, 2-8 parts of peanut shells, 5-10 parts of pomegranate bark, 8-15 parts of maize straw, 3-8 parts of radices lithospermi powder, 1-6 parts of tapioca flour, 1-5 parts of rape seed cakes, 1-3 parts of pumpkin flesh, 0.4-0.8 part of heaven tree bark, 0.5-2.5 parts of bagasse, 2-8 parts of borax and 3-8 parts of fermentation compound bacteria. The fertilizer special for planting the dendrobium officinale can improve the disease resistance of the dendrobium officinal and the fertilizer efficiency, and nutrients are supplied more sufficiently.