When a cold occurs, this is the time to take Chinese medical treatment, such as bloodletting therapy, to achieve symptom relief and cure, for example, you can choose the finger bloodletting points, there are Shaoshang acupuncture point and Shang Yang acupuncture point. The Shaoshang point is located on the radial side of the end of the thumb, about 0.1 inch from the nail root. The Shang Yang point is on the radial side of the last knuckle of the index finger, also 0.1 inch from the root of the nail. You can also choose the Dazhi point and Fengchi point on both sides of the back of the neck, and you can also release blood at the tip of the ear, which is effective in relieving nasal congestion, runny nose, sneezing, and even fever that occurs with colds.