明于五输，徐疾所在，屈伸出入，皆有条理，言阴与阳，合于五行，五藏六府，亦有所藏，四时八风，尽有阴阳，各得其位，合于明堂，各处色部，五藏六府，察其所痛，左右上下，知其寒温，何经所在，审皮肤之寒温滑涩，“知其所苦，膈有上下，知其气所在。先得其道，稀而疏之，稍深以留，故能徐入之。大热在上，推而下之，从下上者，引而去之，视前痛(痛:张注本作“病”]者，常先取之。大寒在外，留而补之，入于中者，从合泻之。针所不为，灸之所宜，上气不足，推而扬之，下气不足，积而从之，阴阳皆虚，火自当之，厥而寒甚，骨廉陷下，寒过于膝，下陵三里，阴络所过，得之留止，寒入于中，推而行之，经陷下者，火则当之，结络坚紧，火所治之。不知所苦，两蹻之下，男阴女阳，良工所禁，针论毕矣。

"In acupuncture. the swift and slow pricking to the shu-points of the internal organs, the bending or stretching posture of the patient during pricking and the methods of inserting and pulling the needle are all having certain rules. When one explains the Yin and Yang of the body, it should be in accordance with the five elements. The five solid organs and the six hollow organs are having the functions of storing the spirit and the cereals respectively, and changes of the four seasons and the winds from the eight directions are related with Yin and Yang: on one's face, there are the different positions belonging to the Yin, Yang and the five elements respectively and they combine on the nose: from the different colours displayed on the various part of the face, can the disease of the internal organs be determined. When one examines the location of the patient's pain, and integrates with the colours displayed on the left, right. upper and the lower sides of the face. he will be able to know whether the discase is belonging to the cold or heat and which channel is diseased. In treating, examine the cold, warm. slippery or choppy conditions of the skin of the anterolateral side of the forearm to know what disease is distressing the patient, then, examine the location above and below the diaphragm (lung and stomach) to know where the evil is. One must know the route of the channel first, then, prick the acupoint; the pricking should be few and accurate, prick deeply and retain the needle to cause the health energy to enter slowly. When the patient has high fever in the upper part. prick and cause it to descend. when the evil is developing from below to above. prick and induce it to descend. and then remove it. Besides, note the case histroy of the patient and prick the patient according to the previous condition to treat the cause of the disease. When cold appears on the suface of the body, prick and retain the needle to invigorate so as to produce heat, if the cold-evil has penetrated inside, prick and retain the needle for purging. To the diseases which are not suitable for pricking, apply moxibustion. To the one whose upper warmer energy is insufficient, prick and raise the energy; to the one whose lower-warmer energy is insufficient, prick to accumulate and smooth the energy; to the one whose Yin and Yang are both asthenic, apply moxibustion therapy. When the patient has cold feet and the cold is quite severe, or the muscles by the bone are bogging down, or the extending cold has exceeded the two knees, it should apply moxibusion to the Sanli point; when the cold retains on the location where the Yin collateral passes, and when the cold-evil has penetrated into the internal organs, prick to disperse the energy: when the channel is bogging down, apply the moxibustion therapy; when the collateral is knotty and firm, apply moxibustion also. If the patient is not painful but not numbly, it should prick the Shenmen point of the Yangqiao channel and the Zhaohai point of the Yinqiao Channel, if the Yinqiao Channel is pricked erroneously to a man or the Yangqiao Channel is pricked erroneously to a woman, it is the contraindication for an acupuncturist of higher level. The cardinal principles of acupuncture hereto are expounded completely.

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