Bai Tuong Weng is a traditional Chinese medicine with the effect of clearing heat and removing toxins, cooling the blood and stopping dysentery (clearing heat and cooling the blood, eliminating dysentery, etc.), which can be taken internally in a decoction or used externally. It is used to treat sores, canker sores and swollen toxins such as mumps, scrofula (mainly refers to the neck lymph node tuberculosis), fever and blood dysentery (dysentery caused by feeling heat and poison and seeing blood in the stool) and other disorders. The drug can be taken internally as a decoction or used externally in appropriate amounts. It should be noted that the fresh product of the drug, when pounded, has a strong irritating odor and a strong stimulating effect on the skin and mucous membranes, and contact may cause adverse reactions such as sneezing, coughing, tearing, etc. Taking it internally has the potential to cause abdominal pain, vomiting, heart failure and other adverse reactions. If you have the need to take Whitehead, it is recommended that you seek medical attention in a timely manner and do not self-medicate.