形似猫儿眼而有光彩，故名。无脓无血，时痛时痒，一名寒疮。用∶
生草乌三两 生姜二两 煨白芷 炒南星各一两 肉桂五钱
共为末，烧酒调敷，多食鸡、鱼、蒜、韭，忌用 鱼、虾、蟹。
生腰下，长一二寸，或碎如饭，或红腰坚硬。以∶
雄黄
研末，醋调敷，极效。
生于头上，状如葡萄。用∶
黄柏一两 乳香二钱五分（共为末） 槐花（煎浓汁）
二者调作饼，贴疮口。并用∶
吴茱萸
研末，醋调，敷两足心，即愈。
豆腐渣滓
炒热，敷患处，布包紧，冷则更易，一宿即愈。
生后颈正中处，以∶
鲜茄子十四枚 生何首乌二两
煎服二、三剂，未破即消。已破拔脓生肌，虽根盘八、九寸宽，大者亦效。外用∶
贝母
研末，敷之。或寻取∶
韭地蚯蚓
捣烂，以凉水调敷。
生于神堂二穴，或膈关、膈俞之穴上，此疮不痛而痒，痒极必搔爬，愈搔爬而愈痒，终
至皮破肉损，骨乃尽见。方用∶
人参五钱 当归 黄 各一两 金银花二两 茯苓 贝母各三钱
水煎服，数剂后，即痒止而愈。
生于下唇及颌下，宜内服除湿清热之剂。方用∶
茯苓二钱 天花粉一钱五分 炙甘草 白术 苍术 蒲公英 泽泻 猪苓各一钱 白芷
羌活各五分
水煎服。外用∶
轻粉一钱 黄丹三钱 儿茶 炒黄柏各三钱 枯矾五分 冰片三分
各为细末，湿则干糁；干则香油调敷，数日即愈。
The lesion resembles a cat's eye and possesses luster, hence the name. It presents with no pus and no blood, accompanied by intermittent pain and itching; it is also known as Cold Sore (Han Chuang). Use:
Raw Aconiti Lateralis Radix Preparata (Sheng Caowu) 3 liang, Fresh Ginger (Sheng Jiang) 2 liang, Baked Angelicae Dahuricae Radix (Wei Baizhi), Stir-fried Arisaematis Rhizoma (Chao Nanting) each 1 liang, Cinnamon Twig (Rougui) 5 qian.
Grind all into powder, mix with distilled liquor (Baijiu) to apply topically. Consume more chicken, fish, garlic, and leeks; avoid fish, shrimp, and crab.
It appears below the waist, measuring one to two cun in length, or fragmented like rice grains, or red and hard. Use:
Realgar (Xionghuang).
Grind into powder, mix with vinegar for topical application; it is extremely effective.
It appears on the head, resembling grapes. Use:
Phellodendri Cortex (Huangbai) 1 liang, Frankincense (Ruxiang) 2.5 qian (grind together into powder), Sophora Flower (Huaihua) (decoct into thick juice).
Mix the two to form a cake, and apply to the sore. Simultaneously use:
Evodiae Fructus (Wuzhuyu).
Grind into powder, mix with vinegar, and apply to both soles of the feet; it will heal immediately.
Tofu dregs.
Stir-fry until hot, apply to the affected area, wrap tightly with cloth; replace when cool; it heals overnight.
It appears at the center of the posterior neck. Use:
Fresh Eggplant (Xian Qiezi) 14 pieces, Raw Polygoni Multiflori Radix (Sheng Heshouwu) 2 liang.
Decoct and take orally for two to three doses; if unruptured, it will subside. If ruptured, it draws out pus and generates flesh; even if the base spans eight to nine cun wide, larger lesions are also effective. External use:
Fritillariae Bulbus (Beimu).
Grind into powder and apply. Alternatively, seek:
Earthworms from chive fields (Jiu di qiuyin).
Mash thoroughly, mix with cold water, and apply topically.
It appears at the Shentang (BL-44) acupoints, or at the Ge Guan (BL-48) and Ge Shu (BL-17) acupoints. This sore does not hurt but itches; severe itching necessitates scratching, which exacerbates the itch, eventually leading to broken skin, damaged flesh, and exposed bone. The prescription uses:
Ginseng Radix et Rhizoma (Renshen) 5 qian, Angelicae Sinensis Radix (Danggui) and Astragali Radix (Huangqi) each 1 liang, Lonicerae Japonicae Flos (Jinyinhua) 2 liang, Poria (Fuling) and Fritillariae Bulbus (Beimu) each 3 qian.
Decoct in water and take orally; after several doses, the itching ceases and it heals.
It appears on the lower lip and under the jaw; internal administration of formulas that drain dampness and clear heat is suitable. The prescription uses:
Poria (Fuling) 2 qian, Trichosanthis Radix (Tianhuafen) 1.5 qian, Prepared Licorice Root (Zhi Gancao), Atractylodis Macrocephalae Rhizoma (Baizhu), Atractylodis Rhizoma (Cangzhu), Taraxaci Herba (Pugongying), Alismatis Rhizoma (Zexie), Polyporus (Zhuling) each 1 qian, Angelicae Dahuricae Radix (Baizhi) and Notopterygii Rhizoma et Radix (Qianghuo) each 0.5 qian.
Decoct in water and take orally. External use:
Calomelas (Qingfen) 1 qian, Minium (Huandan), Terminalia Chebula Retzii Fructus (Ercha), and Stir-fried Phellodendri Cortex (Chao Huangbai) each 3 qian, Calcined Alum (Kufan) 0.5 qian, Borneolum Syntheticum (Bingpian) 0.3 fen.
Grind each into fine powder; if moist, sprinkle dry powder; if dry, mix with sesame oil for topical application; it heals in a few days.