Taixi point is the original point of the Foot Shao Yin Kidney meridian. The original point of the yin meridian coincides with the transmission point, so Taixi point is both the original point and the transmission point of the foot-shaoyin-kidney meridian. Taixi is located between the tip of the inner ankle and the Achilles tendon. The original point is where the original qi of the internal organs originates, focusing on the treatment of diseases of the internal organs, especially deficiency. Therefore, Taixi point can treat kidney deficiency syndrome, while the main body of the losing (point) focuses on joint pain, so Taixi point can treat foot pain, lumbar spine pain and other diseases. In addition, it can also treat gynecological diseases such as irregular menstruation, pharyngolaryngeal pain, tinnitus and other yin-deficiency disorders of the five senses, as well as frequent urination, constipation, thirst, etc.; cough, hemoptysis, and other lung system disorders. Kidney yang deficiency (lack of yang energy in the kidneys) is often accompanied by kidney yu, lumbar yang guan, etc. Kidney yin deficiency is often accompanied by sanyinjiao, kidney yu and other points. Note that if needling is required, it should be done by a professional physician.