Banlangen should refer to Banlangen Granules, which can be taken during the preparation period. Banlangen granules have the effect of clearing heat and removing toxins (removing heat and toxicity from the body), cooling the blood and relieving the pharynx, and are commonly used clinically for the treatment of sore throat and dryness of mouth and pharynx caused by the lungs and stomachs being hot (the heat of the lungs and stomachs is very heavy), and can be used for acute tonsillitis and other diseases. Its adverse reactions are occasionally cause allergic reactions, etc., and have been reported to cause edema, palpitations, and cyanosis. Acute hemorrhage should be used with caution. Avoid smoking, alcohol, spicy, fishy food, and should not take tonic Chinese medicine at the same time. Children, pregnant women, lactating women, the elderly and the weak, spleen deficiency loose stools (feces thin and not shaped) should take this product under the guidance of a doctor. The instructions do not state that the product should not be used during pregnancy preparation, and it is possible to drink Banlangen Granules within its main therapeutic range. It is recommended that patients in need of treatment, as well as those who are preparing for pregnancy, consult a doctor before taking the drug, and take the drug under the guidance of a clinician.