Kidney yin deficiency and kidney yang deficiency can be distinguished by symptoms. For example, patients with kidney yin deficiency may have symptoms such as sore waist and knees, weak legs, dizziness and tinnitus, insomnia and dreaminess, five heart upset fever, hot flashes and night sweats, dry throat, red cheeks, red tongue and less fluid. Men will have strong yang, easy to lift, or impotence, spermatorrhea. Women may have amenorrhea due to lack of menstruation. The clinical manifestations of kidney yang deficiency are mainly cold phobia, such as warm hands and feet, cold stomach and cold limbs, tired appearance, clear and long urine, frequent urination, urgency of urination, and susceptibility to osteoporosis, cervical spondylosis, and lumbar spondylosis. Kidney yin deficiency is a syndrome of traditional Chinese medicine, which refers to the deficiency of yin fluid in the kidney and the syndrome characterized by deficiency and heat. To judge whether you are kidney yin deficiency, you should mainly judge from the clinical symptoms.