Women can also have kidney deficiency, and divided into kidney Yin deficiency and kidney Yang deficiency. The main causes of kidney deficiency in women are: congenital endowment deficiency, acquired emotional disorders, or overwork, long term illness and kidney injury, old age and physical decline. The main manifestations of kidney yin deficiency in women are soreness and weakness of the waist and knees, lumbar trapped, abdominal pain, frequent nocturnal urination, dizziness and tinnitus, impatience and irritability, irritability of the five hearts and hot flashes in the afternoon. The main manifestations of kidney yang deficiency in women are coldness, indifference to intercourse, lumbago and abdominal pain, fatigue and weakness, irregular menstruation, low menstrual flow or even amenorrhea, fetal leakage and fetal movement after pregnancy, and even slippery miscarriage.