The invention provides a natural galenical preparation for increasing the sperm motility of boars, which comprises the following components by weight parts according to the formula: 1 to 3 parts of almond shell extract, 2 to 4 parts of pine extract, 2 to 6 parts of dandelion extract, 1 to 3 parts of plantain extract, 1 to 3 parts of epimedium extract and 3 to 6 parts of carriers. The method for preparing the natural galenical preparation comprises the following steps: extracting almond shell, pine, dandelion, plantain and epimedium respectively; mixing and stirring the obtained dry powder by ratio at normal temperature and at normal pressure; and adding the carriers by a certain ratio to obtain the natural galenical preparation for increasing the sperm motility of the boars. The natural galenical preparation of the invention is capable of increasing the spermation rate and sperm motility of the boars, prolonging the service life thereof and increasing the reproduction rate thereof.