夫小儿代指者。其指先肿。 热痛。其色不黯。然后方始爪甲结脓。剧者爪甲脱也。
亦名
爪甲
治小儿代指肿痛方。
麻黄（三两）
上捣碎。以水二碗。煎至一碗。乘热略浸指在其中。日十余遍即瘥。
治小儿代指逆肿方。
上以杂毛和黄土作泥。泥指上。令浓五分。纳 灰中暖之。令微热可忍。候泥渐渐干。
即易
又方。
上以猪脂和曲 。研敷之。数易之。
又方。
上取梅核中仁。熟捣。以淳苦酒和敷之。以瘥即止。
又方。
上取粱米粉。铁铛中熬令赤。以众人唾和之。涂上令浓一寸。即消。
又方。
上以小便和盐作泥。浓裹之。数易即瘥。更用 针刺血出最妙。
夫小儿肌肤软弱。冬时解脱。触冒风寒。手足肌肉破。故谓之皲裂也。
治小儿手足冻破。皲裂欲脱方。
川椒（半两） 芎 （半两） 白芷（一分） 防风（一分） 干姜（一分）
上件药。捣碎。以水一大盏。煎令浓去滓。稍热数用涂之。
治小儿指冻伤。皲裂肿痛欲堕方。
乌粪（十枚）
上以水三升。煮令沸。看冷暖浸之。冷即再暖用之。半日当愈。
治小儿入水。手足皴裂。肿痛血出方。
上用生胡麻。烂捣涂之。
又方。
猪KT （一具细切）
上以热酒一盏。浸一宿。每用洗之。
又方。
上以枣煮取肉。研细敷之。一宿后。用甘草汤洗即瘥。
小儿代指病，是指手指先出现肿胀、灼热疼痛，肤色不暗，随后指甲下结脓，病情严重者指甲会脱落。此病又名“爪甲”病。
治疗小儿代指肿痛的方剂：
麻黄（三两）
将药捣碎，用水两碗，煎至一碗，趁热将手指浸入药液中，每日浸泡十余次即可痊愈。
治疗小儿代指逆肿的方剂：
取杂毛与黄土混合做成泥状，涂抹在手指上，厚度约为五分，放入灰烬中加热，使其微热且患者能忍受。待泥土渐渐变干后，再更换新的。
另一首方剂：
取猪脂与曲混合，研磨后敷于患处，多次更换。
又一方剂：
取梅核中的仁，煮熟后捣烂，用纯正的苦酒调和后敷于患处，痊愈即止。
又一方剂：
取粱米粉，在铁锅中炒至赤色，用众人的唾液调和，涂在患处，厚度约一寸，即可消肿。
又一方剂：
用小便和盐做成泥状，厚厚包裹患处，多次更换即可痊愈。若再用针刺破出血，效果更佳。
小儿肌肤柔弱，冬季皮肤干燥开裂，若触犯风寒，手足肌肉破裂，故称为皲裂。
治疗小儿手足冻伤破裂、皲裂欲脱的方剂：
川椒（半两）、芎䓖（半两）、白芷（一分）、防风（一分）、干姜（一分）
以上药物捣碎，用水一大盏，煎煮至浓稠，去渣滓，稍温热后多次涂抹患处。
治疗小儿手指冻伤、皲裂肿痛欲脱落的方剂：
乌粪（十枚）
用水三升，煮沸，根据冷热程度浸泡手指，冷则再次加热使用，半天即可痊愈。
治疗小儿入水后手足皴裂、肿痛出血的方剂：
取生胡麻，捣烂后涂抹患处。
Pediatric Dai Zhi disease refers to a condition where the fingers first swell, presenting with burning pain, while the skin color remains not dark. Subsequently, pus forms under the nail; in severe cases, the nail may detach. This condition is also known as "Zhao Jia" (Nail) disease.
Formula for treating pediatric Dai Zhi with swelling and pain:
Mahuang (Ephedrae Herba, 3 liang).
Crush the herb, add two bowls of water, and decoct until one bowl remains. Soak the affected finger in the warm liquid, repeating this more than ten times daily until recovery.
Formula for treating pediatric Dai Zhi with reverse swelling:
Mix miscellaneous hair with yellow earth to form a paste. Apply it to the finger to a thickness of five fen. Place the finger in warm ashes to heat it slightly, ensuring it is tolerable. Replace the paste once it dries.
Another formula:
Mix pig fat (Zhizhi) with Qu (fermented grain mass), grind into a paste, and apply to the lesion. Change frequently.
Another formula:
Take the kernels from plum pits, cook them thoroughly, and crush them well. Mix with pure sour vinegar (Ku Jiu) and apply to the lesion. Discontinue when healed.
Another formula:
Take Liang Mi flour (flour from foxtail millet), stir-fry in an iron pan until reddish. Mix with saliva from multiple people, apply to the lesion to a thickness of one cun, and it will subside.
Another formula:
Mix urine with salt to form a paste. Wrap the lesion thickly and change frequently until healed. For optimal results, puncture with a needle to allow bleeding.
Pediatric skin is tender and weak. In winter, due to dryness and exposure to wind-cold, the muscles and skin of the hands and feet crack, hence termed "Jun Lie" (Fissures/Cheilitis-like cracking).
Formula for treating pediatric frostbite-induced cracking and fissures with impending detachment:
Chuanjiao (Sichuan Pepper Fruit), Xiongqiong (Ligusticum Chuanxiong Rhizome), Baizhi (Angelicae Dahuricae Radix), Fangfeng (Saposhnikoviae Radix), Ganjiang (Dried Ginger).
Crush the above herbs, add one large cup of water, and decoct until concentrated. Strain the dregs. Apply while slightly warm multiple times.
Formula for treating pediatric finger frostbite with fissures, swelling, pain, and impending detachment:
Wu Fen (Crow Droppings, 10 units).
Add three sheng of water, boil, and soak the fingers according to temperature comfort. Reheat if cooled. Recovery should occur within half a day.
Formula for treating pediatric hand/fissure cracking, swelling, pain, and bleeding after immersion in water:
Use fresh Huma (Sesame Seed), crush thoroughly, and apply.
Another formula:
Zhu Ti (Pig Trotter, one piece, finely cut).
Soak in one cup of hot wine overnight. Wash the area each time before use.
Another formula:
Boil dates to extract the flesh, crush finely, and apply. After one night, wash with Licorice Decoction (Gancao Tang) to achieve healing.