The invention relates to a Chinese herbal medicine preparation, which is characterized in that the Chinese herbal medicine preparation is prepared by using the Chinese herbal medicine plants, sealing, performing hot dipping, filtering and extracting Chinese herbal medicine insecticide components, and the Chinese herbal medicine insecticidal preparation can be used for substituting a chemical pesticide. A processing method comprises the following steps: making a formula of the nuisance-free pesticide preparation, purchasing the raw materials, performing rough machining on the raw materials, sealing and performing hot dipping, filtering, depositing a filtrate, and packaging the finished product. According to the invention, monkshood, daturae flower, edible tulip bulb, bitter apricot kernel, digitalis and croton seed with equal amount are purchased, 6 parts of screw-shaped pepper with strong spicy are employed, monkshood, daturae flower, edible tulip bulb, bitter apricot kernel, digitalis and croton seed are crushed by a screen mesh with diameter being 0.5 centimeters, the screw-shaped pepper is crushed by an ultrafine pulverizer with 300 meshes, the screw-shaped pepper is mixed with monkshood, daturae flower, edible tulip bulb, bitter apricot kernel, digitalis and croton seed, the raw materials and water are added in an integrated apparatus of sealing, hot-dipping and filtering according to proportion being 5: 100, wherein the hot dipping time is 1 hour, then a valve at bottom of an external cylinder of the hot dipping apparatus is opened, a hot dipping liquid is placed in a stainless steel container, then is deposited for 15-20 days to obtain a supernatant of a filtrate, and the supernatant is the nuisance-free pesticide preparation.