Feishu corresponds to the back shu point of lung. Localisation de Feishu Feishu is located 1.5 cun from the posterior midline, below the horizontal line between vertebrae D3 and D4. Therapeutic functions and clinical indications Feishu is indicated in all lung diseases for which we work it with Zhongfu ; We work with it Fengmen for external cold wind attacks. Shu point, generally we bring something to the organ, we tend to tone the shu points.