Bloodletting of the foot orifices and yin has the effect of treating diseases of the five senses, fever and delirium, etc. It is recommended to be performed by a professional doctor. The foot is an acupoint on the foot Shaoyang bile meridian, located on the toes, on the lateral side of the last joint of the fourth toe, 0.1 inch behind the lateral side of the angle of the root of the toenail. Bloodletting at this point can treat headache, tinnitus, deafness, laryngeal paralysis (redness, swelling and pain in the pharynx, or dryness, foreign body sensation, or itchy discomfort in the pharynx and difficulty in swallowing), redness, swelling and pain in the eyes, nasal congestion and runny nose, and other disorders of the head and face in the five sensory organs. In addition, it can also be used to treat localized diseases such as pain in the chest and ribs, swelling and pain in the feet; it can also be used to treat psychosomatic diseases such as insomnia and excessive dreaming, as well as all kinds of fever. Note that bloodletting therapy should be used with caution for people with chronic illness, anemia and low blood pressure, and is contraindicated for people who are over-starved, over-full, drunk, sweaty, angry, or over-fatigued. Clinicians should be consulted on the specific use of Foot Tips Yin, and if bloodletting is required, it is recommended that it be performed by a medical professional. If there is any discomfort, please seek medical advice promptly.