Excluding the influence of physiological causes, if you wake up in the morning with sweaty feet, it may be related to yin deficiency. However, the exact cause needs to be decided in conjunction with the patient’s other symptoms. Yin deficiency refers to the lack of yin fluid, can not moisturize, mostly with heat disease injury to the yin, long illness injury to the yin, emotional disorders, uncontrolled sexual intercourse, warm and dry things to take too much related to the cheeks flushing, dry throat, hands and feet, hot flashes (a burst of heat) night sweating (sleep sweating abnormal, wake up sweating stops), upset and insomnia, as well as wake up in the morning feet sweating and other symptoms. Attention should be paid to avoiding fatty, sweet, spicy and stimulating foods, raw and cold foods. Alcoholism and smoking are strictly prohibited. If the symptoms of waking up in the morning feet sweating for a long time does not relieve or accompanied by other discomfort, we should consult a doctor in time to identify the cause, targeted treatment.