Banlangen granules can be taken during pregnancy under the guidance of a doctor if there are absolute indications. Banlangen granules are commonly used Chinese patent medicines for clearing heat and detoxifying and anti-viral, which have certain therapeutic effects on viral infectious diseases of the upper respiratory tract. It can relieve the symptoms of swollen, sore and dry throat caused by viral infectious diseases of the upper respiratory tract and has a certain therapeutic effect. If the medicine is used reasonably and correctly during pregnancy, there will be no significant adverse effects on fetal development. During the medication period, care should be taken not to eat fried or deep-fried foods, and spicy and stimulating foods such as onion, ginger and garlic, and not to eat foods that are too cold. After three days of continuous use, if the patient’s clinical symptoms are not significantly relieved, or if the patient develops more serious fever during the medication period, he/she should seek medical attention promptly.