Results: Different formulas were experimented. Among them, one with added 10 g KIO3 to 100 kg seasonings granule (approximately 59.3 mg iodine / kg seasoning granules) mixed with spraying liquid at the rate of 3.3%, mixing in 3 minutes at the temperature of the dryer in the input area, center area, and output area was 60 °C, 90 °C, and 60 °C, approximately in 10 minutes met the organoleptic quality, the moisture, iodine content and microbiological indicators.