You can drink Banlangen for low fever. Banlangen is traditionally used in Chinese medicine for its antipyretic and antiviral effects. Especially for people with upper respiratory tract viral infections, drinking Banlangen later can help improve the symptoms and shorten the course of the disease. However, Pan Lan Gen does not work for all diseases. Patients with persistent low fever must seek further medical consultation to clarify the cause of low fever so that they can be given cause-specific treatment at the same time to promote recovery from the disease, as well as to quit smoking and drinking, pay attention to rest, drink more water, keep indoor and outdoor air circulation, strengthen exercise, enhance physical fitness, improve nutrition, eat and live regularly, avoid excessive exposure to cold and exertion, and try to reduce In and out of public places.