The invention belongs to the technical field of pharmaceutical preparations, and relates to a production process of
benzbromarone tablets. The method comprises the following specific operation steps: sieving a
benzbromarone raw material, sieving auxiliary materials, and weighing; the preparation method comprises the following steps: adding
benzbromarone and 50% of auxiliary materials into a wet
granulation mixer, premixing, atomizing, spraying
ultrapure water, preliminarily granulating wet granules by a crushing granulator, transferring the wet granules to a
fluidized bed for
drying, and finishing
drying after the
moisture is reduced to 5-10%; mixing the semi-dry granules with the remaining auxiliary materials, carrying out secondary
granulation by using a crushing and granulating
machine, and sieving; adding talcum
powder and
magnesium stearate into the granules according to the conversion of the yield, transferring into a three-dimensional mixer, and mixing to form total mixed granules; calculating the tablet weight according to the content of the total mixed particles, and pressing the total mixed particles into slices; and carrying out secondary
drying on the formed tablets through a
fluidized bed until the
water content is less than 2.5%, packaging and carrying out heat sealing. According to the process, a wet process and a dry process are combined, so that the process complementarity is enhanced, the uniformity and the
dissolution rate of the tablet are improved, the dosage of auxiliary materials is small, and the economic benefit is good.