Guangming point belongs to the foot Shaoyang bile meridian and is located on the lateral side of the lower leg, when 5 inches above the tip of the outer ankle and at the anterior edge of the fibula. The Guangming point should be taken in a sitting or supine position, taking the midpoint from the tip of the outer ankle to the popliteal transverse stripe, because the tip of the outer ankle to the popliteal transverse stripe is 16 inches, and the distance from its midpoint is 8 inches. Then measure 4 horizontal fingers down from this midpoint, at the anterior edge of the lateral calf bone, which is the Guangming point. Guangming point is a foot Shaoyang meridian point, which is mainly used for treating symptoms such as eye pain, night blindness, unclear vision, etc. It is also effective for lower limb impotence paralysis (weakness, numbness and pain in the lower limbs), breast distension and pain, and breast lessening. This point can be used for moxibustion, tuina and acupuncture. Although Guangming acupoints have therapeutic effects on a variety of diseases, the operation needs to be carried out by a specialized doctor and should not be done on your own.