What are the effects of bloodletting at the膻中 (CV17) acupoint?

Pricking the Zhongdan point to release blood is a traditional Chinese medical therapy that primarily functions to invigorate blood circulation and unblock meridians, clear heat and purge fire, relieve cough and asthma, harmonize the stomach and direct rebellious Qi downward, and widen the chest to promote lactation.

1. Invigorating Blood Circulation and Unblocking Meridians

Zhongdan belongs to the Ren Meridian and lies on the anterior midline of the body. If bodily pain occurs, under professional medical guidance, pricking this point to release blood can help expel pathogenic factors from the meridians, restoring their smooth flow and alleviating pain.

2. Clearing Heat and Purging Fire

In cases of excessive Yang leading to fever, pricking Zhongdan to release blood may help reduce blood heat, thereby lowering body temperature back to normal levels.

3. Relieving Cough and Asthma

Pricking Zhongdan to release blood typically helps regulate the movement of Qi in the body, unblock airways, and enhance lung function, thus alleviating symptoms such as coughing and wheezing.

4. Harmonizing the Stomach and Directing Rebellious Qi Downward

Bloodletting at the Zhongdan point can help regulate the balance of Qi and blood in the body, improve digestive system function, and achieve the effect of harmonizing the stomach and suppressing upward-reversing Qi.

5. Widening the Chest and Promoting Lactation

Located in the center of the sternum, Zhongdan is closely related to the breasts. Bloodletting at this point can help regulate Qi flow, improve chest circulation and patency, increase milk secretion and ejection, thus achieving the effect of widening the chest and promoting lactation.

Note: Although Zhongdan bloodletting may help alleviate and improve certain conditions, it should only be performed after consulting a healthcare provider and by qualified medical professionals to prevent adverse effects on health.