This series of the magazine is practical for the beginners to study acupuncture. This magazine contains the acupoint location, locating methods,acupoint in anatomy, acupuncture methods, function and indication, andcautions. Tianding(LI17) is located on the lateral side of the neck, at the posterior border of sternocleidomastoid muscle, beside the laryngeal protuberance, at the midpoint of the line connection Futu(LI18) and Quepen(ST12).