It is not normal for children to sweat throughout the night after drinking Yupingfeng San, so please stop using the drug and go to a regular hospital for treatment. Yupingfeng San is an epimedial agent, which has the effect of benefiting qi and stopping sweating by consolidating the muscle surface. It is effective for spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with slight movement) caused by deficiency of qi, fear of wind, catching colds easily, and symptoms such as fatigue and shortness of breath. Children with excessive sweating during the day, spontaneous sweating, easy to catch a cold, fatigue symptoms can be taken in moderation, but allergic to drugs and yin deficiency night sweating (abnormal sweating after sleeping, waking up sweating stops) people with caution. If the child ate yu ping feng san night sweating may be with the medicine is not the right evidence, this time should stop using yu ping feng san, and promptly to the hospital, according to the specific clinical manifestations of the choice of appropriate treatment. If you have symptoms, you should take medication under the guidance of a professional physician, do not take medication blindly, in order to avoid delays or adverse reactions.