PROBLEM TO BE SOLVED: To provide preparation particles for powdered drug and granular drug containing a galenical or a galenical extract powder, causing no scatter of essential oil ingredients and the like, and being dosed easily.SOLUTION: The preparation particles, wherein a content of particles of &ge30 M (500 &mum) is &le20 mass%, a content of particles of &le200 M (75 &mum) is &le20 mass%, an average particle diameter is 100-250 &mum, and loss on drying is &le2.5 mass%, are obtained by mixing 1 pts.mass of a galenical with 0.03-0.25 pts.mass of a low melting point material, cooling and solidifying the obtained powder mixture after fluidizing the powder mixture under a temperature not lower than the melting point of the low melting point material in a fluidized bed dryer.
