Atractylodes Macrocephalae Paeoniae Radix, also known as Essential Formula for Painful Diarrhea, is composed of Atractylodes Macrocephalae, Paeoniae Alba, Pericarpium Citri Reticulatae and Fenghuang. This formula is effective in tonifying the spleen and softening the liver, dispelling dampness and stopping diarrhea. It is used to treat painful diarrhea caused by spleen deficiency and liver exuberance. It is characterized by abdominal pain with intestinal tinnitus, diarrhea, abdominal pain with diarrhea, post-diarrheal pain (or post-diarrheal abdominal pain), thin white fur on the tongue, and irregularities in the pulse of the two passages, with the left side being stringy and the right side being slow. In the formula, Atractylodes macrocephala is bitter, sweet and warm, tonifying the spleen and drying dampness to treat soil deficiency; Paeonia lactiflora is sour and cold, softening the liver and relieving pain (relieving urgent pain symptoms); Pericarpium Citri Reticulatae is hard and warm, regulating qi and drying dampness, awakening the spleen and the stomach; a small amount of antifungal is paired with a little, which has the nature of ascending and dispersing, with the art and Paeonia lactiflora, which is pungent and can dissipate the liver, and the fragrance can comfort the spleen and qi, and it can dry dampness in order to help stop diarrhea. If you need to use medication, you need to use it under the guidance of a professional Chinese medicine practitioner, and you should not use medication on your own to avoid adverse effects on your body.