Children’s night sweating belongs to night sweating (abnormal sweating after going to sleep, waking up sweating stops), Yu Ping Feng San for the treatment of spontaneous sweating (involuntary sweating during the day, sweating aggravated by the slightest movement) of the drug, is not symptomatic, the child should be in the guidance of a physician to use the drug safely. Children’s night sweating may be caused by yin deficiency, mainly manifested as abnormal sweating after falling asleep, waking up sweating stops, sweating often in the chest and back and the heart of the hands and feet, accompanied by sleep disturbances, upset and irritable, dry stools, yellow urine, low fever in the afternoon and other symptoms. The treatment is to nourish yin, fix astringency and stop sweating, which can be treated with drugs such as Zhi Bai Di Huang Wan under the guidance of a physician. The contraindications of this product are not clear. Yupingfeng San is a tonic with the effect of nourishing qi and consolidating the surface to stop sweating (stopping sweating by consolidating the muscular surface). It can be used for spontaneous sweating due to deficiency of the surface (due to the weakness of the muscular surface and frequent sweating naturally), with symptoms such as sweating and windiness, whitish complexion, pale tongue with white moss, and a floating and weak pulse. This formula should not be used for external spontaneous sweating or night sweating due to Yin deficiency. If the above symptoms occur, it is recommended to consult the hospital and standardize the treatment under the guidance of physician, and do not blindly use the medicine by oneself to avoid causing adverse reactions.