A
processing technology of rhizoma pinellinae praeparata comprises the following steps: S1,
raw material pretreatment: removing impurities and mildewed individuals in a rhizoma pinellinae praeparata
raw material, and grading according to the
diameter size; s2, soaking water pretreatment; s3, graded soaking: separately placing the graded
pinellia ternate in an ultrasonic water tank of soaking water, and adjusting the ultrasonic power and the temperature of the soaking water according to grading; S4, performing staged
drying; s5, gradient extraction:
slicing liquorice, decocting by stages at different temperatures and with different water addition amounts, combining decoction, and filtering by a micro-
filtration membrane to obtain liquorice liquid; S6, preparation of a composite solution: crushing
lime to 100-150 meshes, mixing the
lime and the liquorice liquid according to a ratio of 1: (8-10), adding 0.03-0.05% of an
antioxidant, and adjusting the pH value to 12.5 + / -0.2; s7,
dynamic pressure liquid absorption, wherein the composite solution and the dried
pinellia ternate are put into a soaking tank to be soaked; and S8,
drying, freezing and
slicing the
pinellia ternate. The rhizoma pinellinae praeparata
processing method optimizes rhizoma pinellinae praeparata individual difference, medicinal component stability and the whole
processing process, and improves the processing quality of rhizoma pinellinae