The invention discloses a preparation process of a
semen raphani standard decoction, and relates to the technical field of
traditional Chinese medicine decoction preparation. The preparation method comprises the following steps: firstly, weighing a proper amount of radish seed decoction pieces, putting the radish seed decoction pieces into a marmite, decocting twice, adding 8 times of water for soaking for 30 minutes for the first time, boiling with strong fire, and then decocting with
slow fire for 30 minutes; adding 6 times of water for the second time, boiling with strong fire, then decocting with
slow fire for 20 minutes, filtering the liquid
medicine with 200 meshes, cooling the filtrate to
room temperature in a cold water bath, combining the two filtrates, carrying out vacuum concentration at the temperature of 50 DEG C, carrying out vacuum concentration at the absolute vacuum degree of 30-40mbar until the weight ratio of the medicinal material to the
fluid extract is about 1: 1, collecting the concentrated solution, and carrying out
freeze drying to obtain the
traditional Chinese medicine composition. The
semen raphani decoction is taken as a standard, key quality indexes such as the main content, the characteristic spectrum and the extract of a single
traditional Chinese medicine variety after the decoction is prepared are stipulated, the transfer rate is investigated, meanwhile, the transfer rate range of the main content of the medicinal materials is stipulated, and the effectiveness of the decoction is ensured after the preparation is carried out according to the standard.