There is no drug interaction between Banlangen and Huo Xiang Zheng Qi Shui, they can be taken together, but whether they need to be taken together needs to be decided according to the individual’s condition, it is recommended to consult a professional physician before use. The root is the dried root of the cruciferous plant woad, bitter taste, cold nature, with heat detoxification (clearing the body of heat and toxicity of the evil), cooling the efficacy of the pharynx, mainly for the treatment of fever and sore throat, the warmth of the spot (the warmth of the toxicity of the evil invasion of the human body leads to skin spots, plaques), mumps, rotting throat Gua sha, the big head of plague, carbuncle swelling and other illnesses. People who are weak and have no real fire and heat toxins should not take Banlangen, and people with spleen and stomach deficiency (spleen and stomach weakness and cold) should be cautious of using this product. Haoxiang Zhengqi Shui has the efficacy of relieving the surface and resolving dampness (relieving the externally sensed evils and dispelling the dampness in the body), regulating qi and harmonizing the middle (regulating the qi of the spleen and stomach to make the functions of the spleen and stomach smooth). It is used to treat colds and flu caused by external wind-cold, internal dampness stagnation (stagnation of dampness in the body due to overly cold diet, etc.), or summer dampness, with symptoms such as headache, heaviness, chest and diaphragm constriction, distension of the epigastrium (abdomen), vomiting and diarrhea. Adverse reactions to the drug include nausea, vomiting, skin rash, itching, etc. It is contraindicated for those who are allergic to the product and those who are allergic to alcohol. Children, pregnant women, lactating women, the elderly and infirm should be taken under the supervision of a physician. These two drugs can be taken together, it is recommended to use under the guidance of a traditional Chinese medicine practitioner, and it is not recommended to take drugs blindly on your own.