PURPOSE: To obtain a pulverization method effective for preventing the temperature increase in pulverization and preventing the oxidation of the pulverized product and, accordingly, preventing the change and degradation of tea leaf components and enabling the expectation of extremely good symptoms in human body different from the efficacy of conventional tea by drinking in the case of ground tea and, in the case of coffee, preventing the dissipation of color and fragrance and improving the preservability.

CONSTITUTION: This process for the pulverization of foods, pharmaceuticals, etc., comprises the beating of foods or pharmaceuticals with a hammer 2 in vacuum or in nitrogen atmosphere.