The invention relates to a method for preparing high-dispersibility zinc oxide granules, which comprises the following steps: (1) dissolving soluble zinc salt into deionized water, and stirring the mixture to prepare 0.1 to 10 percent of zinc salt solution in percentage by mass; (2) dissolving alkali in the deionized water according to a molar ratio of the zinc salt to the alkali of 1:2 to prepare alkali solution; (3) dissolving hydrophilic emulsifying agent of which adding amount is 0.5 to 20.0 percent of the mass of the zinc salt into the deionized water; (4) at a temperature of between 20 and 90 DEG C, fully stirring the emulsifying agent solution, adding the zinc salt solution and the alkali solution into the emulsifying agent solution drop by drop to obtain white precipitate, and filtering and separating the white precipitate; and (5) washing the separated white precipitate, drying the washed white precipitate at a temperature of between 40 and 120 DEG C to obtain zinc oxide powder, dispersing the zinc oxide powder into water by ultrasound, and adding 0.1 to 10 percent of stabilizing agent to obtain zinc oxide sol. Compared with the prior art, the method has the advantages that the preparation cost is low, and the size and shape of the zinc oxide granules are easy to control; and the prepared zinc oxide granules have even grain diameter and high dispersibility and do not have the problem of agglomeration.