The key drug of Betel nut Four Abolish Pill is betel nut. Betel nut is a traditional Chinese medicine, consisting of betel nut, wine rhubarb, fried petunia seeds, pig’s tooth soap (fried), vinegar balsam ferns, and five lingzhi (vinegar fried), etc. In the formula, betel nut is the monarch drug. In the formula, betel nut is the kingpin, with the efficacy of pungent dispersal, bitter diarrhea, breaking Qi and eliminating flatulence; rhubarb is diarrhea and stagnation-inducing; Radix et Rhizoma Pinelliae is to ease the liver and regulate the stagnation of liver Qi; Wu Ling Zhi is to activate blood circulation and remove blood stasis (to promote the operation of the blood and eliminate blood stasis in the body). It is clinically used in treating food stagnation (the accumulation of food in the stomach due to indigestion), nausea (lack of appetite and reduced food intake), abdominal distension, acid swallowing (swallowing acid from the stomach upward to the mouth and pharynx), and constipation. Adverse effects of Penang Si Xie Pill are not known. Contraindication is pregnant women should not take. Precautions, avoid alcohol and spicy. This product should not be taken for a long time. If the symptoms do not improve after taking the medicine for 3 days, it is necessary to go to the hospital for consultation. Allergy to this product is prohibited, allergies with caution. If there is a need for medication, need to be used under the guidance of a doctor to identify the evidence, not blindly use their own medication, so as not to cause adverse consequences.