The invention relates to a special controlled-release fertilizer for fruit and vegetable soilless culture and a preparation method thereof. The special controlled-release fertilizer comprises the following raw materials: 5 percent of recovery thermoplastic resin coated ammonium nitrate, 8 percent of recovery thermoplastic resin coated ammonium nitrate, 6 percent of recovery thermoplastic resin coated ammonium nitrate, 6 percent of recovery thermoplastic resin coated diammonium phosphate, 7 percent of recovery thermoplastic resin coated ammonium nitrate, sulfur high polymer coated ammonium nitrate, sulfur high polymer coated diammonium phosphate, sulfur high polymer coated potassium nitrate, sulfur high polymer coated calcium nitrate and sulfur high polymer coated magnesium sulfate. The special fertilizer is suitable for fruit and vegetable soilless culture, the nutrient of the special fertilizer for the fruit and vegetable soilless culture is slowly released along with absorption of vegetables without sedimentation, and the special fertilizer is conveniently applied.