The invention relates to a specific fertilizer for radix millettiae speciosae. The specific fertilizer is prepared by mixing the following raw materials in percentage by weight: 18-25% of a compound fertilizer, 12-18% of ammonium chloride, 8-12% of monoammonium phosphate, 6-10% of calcium superphosphate, 35-40% of potassium chloride, 10-12% of sodium humate, 5-8% of an anti-continuous-cropping soil conditioner and 1-3% of a pH buffering agent. According to the invention, nutrients are proportioned according to the demands of radix millettiae speciosae, so that the utilization rate of the nutrients is high, the disease resistance is enhanced, and the production increasing of radix millettiae speciosae is promoted.