Yin deficiency in women is a state of insufficient yin fluid in the body, and generally the body belongs to the balance of yin and yang. Once the yin fluid is insufficient, the patient will have a state of yin deficiency. The usual common symptoms of yin deficiency in women are dry skin and lack of luster in the hair, in addition the patient is prone to hair loss and the hairs of the skin are prone to fall out, this is the dry side of yin deficiency. Other common symptoms of Yin deficiency are dry eyes, such as reduced tearing or dry throat, dry mouth, etc. Yin deficiency in women may also lead to reduced menstrual flow, menstrual periods that are bright red in color and sticky in texture, or heavy menstrual flow with bright red blood. Women with symptoms of yin deficiency are advised to seek prompt medical attention and treat the symptoms under the guidance of a doctor.