Yin deficiency is caused by insufficient or excessive consumption of Yin fluid. Common causes are:

1, overwork. Due to the pressure of work and study, not enough rest, resulting in the depletion of yin fluid, can not be replenished in time.

2, excessive room labor. By part of the media propaganda and misleading, excessive pursuit of sexual life, depletion of yin essence.

3, excessive yang tonic. Unreasonable use of yang tonic medicines, resulting in hyperactive yang qi, yin liquid phase to insufficient.

4, fever injury Yin. The late stage of the fever, lingering, consuming yin and fluids.

5, congenital deficiency.

The above is the cause of yin deficiency, yin deficiency should be timely regulation to avoid aggravation, it is generally recommended to orally Bo Qijian, twice a day, insist on taking for a period of time, you can fundamentally replenish the kidneys, so that the kidney qi to be consolidated, so as to improve the yin deficiency.