Mulberry leaf tea after frost is relatively cold, and excessive consumption can lead to damage to spleen and stomach yang qi, resulting in loss of appetite, indigestion, loose stools, abdominal coldness and pain, and other uncomfortable symptoms. Mulberry leaf has the efficacy of dispersing wind-heat, clearing the lungs and moistening dryness, calming liver yang, clearing the liver and brightening the eyes (clearing liver fire to promote vision recovery), and its medicinal properties are sweet, bitter and cold. It is suitable for wind-heat surface syndrome, lung-heat and fluid injury syndrome, and liver-yang hyperactivity syndrome. The sweet, bitter and cold nature of Mulberry Leaf after frost adds to it, making it unsuitable for people with yang deficiency and weak spleen and stomach. Taking too much of it will damage the yang qi of the spleen and stomach, leading to cold and pain in the abdomen, loss of appetite, indigestion, and other symptoms of spleen and stomach deficiency and coldness. Mulberry leaves after frost is a medicinal cold Chinese medicine, is not recommended to take for a long time, should be used under the guidance of a professional Chinese medicine practitioner, do not unauthorized use of medicines, so as not to cause adverse effects on the body.