Traditional Chinese medicine for treating rectitis and colitis and its preparation method

The invention relates to the technical field of traditional Chinese medicine, in particular to a traditional Chinese medicine for treating rectitis and colitis and its preparation method. The traditional Chinese medicine for treating rectitis and colitis is characterized by being prepared from following materials in parts by weight: Rhizoma Atractylodis Macrocephalae, 10-40 g, Radix Codonopsis 5-20 g, Radix Astragali 10-30 g, Radix Glycyrrhizae 1-15 g, Radix Angelicae Sinensis 5-20 g, Rhizoma Cimicifugae 5-15 g, Semen Coicis 10-40 g, Fructus Crataegi 5-20 g, Fructus Hordei Germinatus 5-20 g, medicated leaven 5-20 g, Endothelium Corneum Gigeriae Galli 5-20 g, Fructus Chebulae 5-20 g, Semen Myristicae 5-15 g, Rhizoma Coptidis 5-15 g, Radix Pulsatillae 5-20 g, Herba Patriniae 10-40 g, Fructus Aurantii 5-20 g, Radix Aucklandiae 10-30 g and Semen Euryales 5-20 g. The materials are resourceful and low in price, production equipment investment is low, the medicine is popular with patients, years of clinical application shows that the medicine is safe and convenient to use, easy to take, free of causing pain, toxicity and allergy and excellent in curative effect, a treatment period is short, recurrence is zero after curing, an effective rate is up to 100%, the pain of the patient is relieved, a treatment course is shortened, recurrence rate is reduced, and the economic burden on the patient is relieved.