The invention provides a traditional Chinese medicine compound leaf fertilizer for winter wheat and a preparation method thereof. The traditional Chinese medicine compound leaf fertilizer for winter wheat is prepared from seaweed, pyrethrum, radix aconiti kusnezoffii, pepper leaves, mint leaves, phytosterol, fulvic acid, ascorbic acid, chitooligosaccharide, abamectin, monopotassium phosphate, urea, boric acid, calcium superphosphate, microelements, a chelating agent, a bonding agent, an emulsifying agent, a dispersing agent, a stabilizing agent and a penetrating agent. The traditional Chinese medicine compound leaf fertilizer for winter wheat contains a seaweed extracting solution, multiple microelements, traditional Chinese medicines, phytosterol and the like, is reasonable in nutrient formula and has sterilization and deinsectization functions, physiological diseases that easily occur to winter wheat can be prevented, and the resistance of crops is enhanced; the preparation method is simple; nutrients are released in a balanced manner; the traditional Chinese medicine compound leaf fertilizer for winter wheat has the functions of fertilizer efficiency, sterilization and deinsectization and is sufficient in fertilizer efficiency and high in utilization rate of fertilizer, and the yield increasing effect is obvious.