The invention discloses a tebuconazole water dispersible granule and a preparation method thereof. The weight percentages of components in the formula of the tebuconazole water dispersible granule areThe invention discloses a tebuconazole water dispersible granule and a preparation method thereof. The weight percentages of components in the formula of the tebuconazole water dispersible granule areas follows: 45 percent to 80 percent of tebuconazole, 1 percent to 30 percent of disintegrating agent, 3 percent to 15 percent of dispersing agent, 3 percent to 5 percent of wetting agent, 0.1 percen as follows: 45 percent to 80 percent of tebuconazole, 1 percent to 30 percent of disintegrating agent, 3 percent to 15 percent of dispersing agent, 3 percent to 5 percent of wetting agent, 0.1 percent to 2 percent of binder, 0.1 percent to 0.5 percent of stabilizing agent and the balance of carrier. The preparation method comprises the steps: the components in the formula of the tebuconazole watet to 2 percent of binder, 0.1 percent to 0.5 percent of stabilizing agent and the balance of carrier. The preparation method comprises the steps: the components in the formula of the tebuconazole water dispersible granule are evenly mixed and pulverized into precursor powder by a super-micro air flow pulverizer; a certain proportion of deionized water is added into and evenly mixed with the precurr dispersible granule are evenly mixed and pulverized into precursor powder by a super-micro air flow pulverizer; a certain proportion of deionized water is added into and evenly mixed with the precursor powder; and then, the obtained mixture is granulized, dried and screened in sequence to obtain the tebuconazole water dispersible granule. The tebuconazole water dispersible granule overcomes defesor powder; and then, the obtained mixture is granulized, dried and screened in sequence to obtain the tebuconazole water dispersible granule. The tebuconazole water dispersible granule overcomes defects of wettable powder and reduces the use costs of farmers and environmental pollution during the processing and using processes thereof. As auxiliary agents with different components are added, thects of wettable powder and reduces the use costs of farmers and environmental pollution during the processing and using processes thereof. As auxiliary agents with different components are added, thetebuconazole water dispersible granule has the advantages of high active-compound content, high disintegration speed, good dispersibility, stable thermal storage, high sterilization efficiency, high stebuconazole water dispersible granule has the advantages of high active-compound content, high disintegration speed, good dispersibility, stable thermal storage, high sterilization efficiency, high safety in use, and the like.afety in use, and the like.