Kidney-yang deficiency, as its name implies, is a symptom of deficiency-cold characterized by weakness of waist and knees, decreased libido and increased nocturia.

The symptoms of kidney-yang deficiency include cold hands and feet, swelling and pain in the abdomen of limbs, leg pain, pain after standing or walking for too long, pain after rest and so on. Tinnitus, forgetfulness, dizziness, frequent urination and increased urine output, but the color is as clear as water, and the urine output increases at night. Irregular physiological cycle, increased leucorrhea, abdominal distension and pain, irregular stool. The color of the tongue coating becomes pale, and the tongue coating is swollen and moist. Cold waist and knees, insomnia and dreaminess, poor sleep quality and mental fatigue.