Pidotimod effervescent tablet and preparation method thereof

The invention discloses a pidotimod effervescent tablet and a preparation method thereof. The pidotimod effervescent tablet comprises the following components in parts by weight: 300 to 500 parts of pidotimod, 100 to 400 parts of filling agent, 100 to 200 parts of effervescent disintegrating agent, 5 to 15 parts of essence, 6 to 10 parts of lubricant, and a proper amount of adhesive. The preparation method comprises the following steps: weighing pidotimod and a filling agent according to abovementioned formula, sieving pidotimod and the filling agent by an 80-mesh sieve, evenly mixing, adding sodium chloride into a PVPK30 water solution (8%), then adding the solution into powder to prepare a soft material, sieving the soft material by a 24-mesh sieve, preparing granules, paving the granules on a disc, drying the granules in a drying box at a temperature of 60 DEG C, taking out the granules until the water content of the granules is qualified, adding an effervescent disintegrating agent, a flavoring agent, and