委中、疗脚弱无力。风湿痹。筋急。半身不遂。（明）三里、疗脚弱。承山、疗脚弱
无力。脚重。偏风不遂。委中、疗脚弱无力。腰尻重。曲 中筋急。半身不遂。（下）
有人旧患脚弱且瘦削。后灸三里、绝骨、而脚如故。益知黄君针灸图所谓绝骨治脚疾神
信也。同官以脚肿灸承山。一穴疮即干。一穴数月不愈。不晓所谓。岂亦失之将摄耶。是未
单方歌云、风毒脚弱痹。肩井及大椎。风市与三里。百壮不须疑。
千金灸脚弱凡八穴。病一脚则灸一脚。两脚病则灸两脚。凡脚弱病。皆灸两脚。（见脚
或未能尽灸。且先灸风市犊鼻三里绝骨亦效。或不效。当如其法灸之。（但肩井不可多灸尔。）
阳跷、疗香港脚肾气。（明）上昆仑、疗恶血风气肿痛。脚肿。承山、治香港脚膝肿。（见腰
脚。）小肠俞、治脚肿。短气。不嗜食。（明云。不食。烦热 痛。）然谷、治足跗肿。不得履地。
执中母氏常久病。夏中脚忽肿。旧传夏不理足。不敢着艾。谩以针置火中令热。于三里穴刺
之。微见血。凡数次。其肿如失去。执中素患脚肿。见此奇效。亦以火针刺之。翌日、肿亦
消。何其速也。后亦常灸之。凡治脚肿。当先三里而后阳跷等穴可也。又予患香港脚指缝烂。
每以茶末渗之愈。他日复烂而肿。用茶末不效。渐肿至脚背上。予以为香港脚使然。窃忧之。
策杖而后敢行。偶卖药侩者见之。云可取床荐下尘渗之。如其言渗之而愈。此物不值一钱。
而能愈可忧之疾。其可忽哉。
Weizhong (BL40) treats weakness and lack of strength in the legs. Wind-damp Bi syndrome. Tendon stiffness. Hemiplegia. Zusanli (ST36) treats leg weakness. Chengshan (BL57) treats weakness and lack of strength in the legs. Heaviness in the feet. Hemiplegia due to wind affecting one side. Weizhong (BL40) treats weakness and lack of strength in the legs. Heaviness in the lower back and buttocks. Quchi (LI11) tendon stiffness. Hemiplegia.
A person who previously suffered from weak legs and emaciation later moxibusted Zusanli (ST36) and Jiexu (GB39), and his legs returned to normal. This further confirms that what Master Huang stated in his Acupuncture and Moxibustion Chart—that Jiexu (GB39) is miraculous for treating foot diseases—is indeed credible. An official colleague, suffering from swollen feet, moxibusted Chengshan (BL57). One acupoint's sore dried up quickly, while the other took months to heal. The reason is unknown. Was it perhaps due to improper care? The following single-prescription verse states: For wind-toxin causing weak and bi-affected legs, use Jianjing (GB21) and Dazhui (GV14). Fengshi (GB31) and Zusanli (ST36); hundred burns are sufficient without doubt.
Qianjin Fang lists eight acupoints for moxibustion to treat leg weakness. If the disease is in one leg, moxa only that leg; if both legs are diseased, moxa both legs. Generally, for all cases of leg weakness, both legs should be moxibusted. (See section on foot diseases.) If not all points can be treated, first moxa Fengshi (GB31), Dubi (ST35), Zusanli (ST36), and Jiexu (GB39), which is also effective. If ineffective, then follow the method described above. (However, do not over-moxa Jianjing (GB21).)
Yangqiao (BL59) treats Kidney Qi deficiency associated with Hongjiaojiao (Jamaica Foot/Grain Attack). Shang Kunlun (BL60) treats swelling and pain caused by bad blood and wind qi. Swollen feet. Chengshan (BL57) treats knee swelling in Hongjiaojiao. (See section on waist and foot diseases.) Xiaochangshu (BL28) treats swollen feet. Shortness of breath. Poor appetite. (Ming commentary: Anorexia, irritability, heat, and pain.) RanGu (KI2) treats swelling of the dorsum of the foot. Inability to walk on the ground.
My mother was chronically ill. In mid-summer, her feet suddenly swelled. Old tradition says not to treat the feet in summer, so I dared not use moxa. I casually placed a needle in the fire until hot and punctured the Zusanli (ST36) acupoint. A slight amount of blood appeared. I repeated this several times. The swelling disappeared as if lost. I have always suffered from swollen feet. Seeing this miraculous effect, I also used a red-hot needle. The next day, my swelling also subsided. How rapid! Later, I often moxibusted this point. For treating swollen feet, one should first moxa Zusanli (ST36), followed by Yangqiao (BL59) and other acupoints. Additionally, I suffered from interdigital erosion due to Hongjiaojiao (Jamaica Foot/Grain Attack). Each time, applying tea powder resolved it. Later, it eroded again and swelled. Tea powder was ineffective. The swelling gradually spread to the dorsum of the foot. I attributed it to Hongjiaojiao (Jamaica Foot/Grain Attack) and worried privately. I could only walk with a cane. A medicine seller saw me and said, "You can take dust from under the bed mat and apply it." Following his advice, I applied it and healed. This item is worthless, yet it can cure a distressing illness. How can it be ignored?