毅自髫龄，见梓里中患斯疾者，日至门而呼吁。
先君鱼泉公，具活人手眼，审症施治，刻期而愈，不可胜计。其贫困不能购买方药者，
先君
恒备囊饵施与，而不索赔报，故近乡之患痰 者，咸有所恃而不恐。光绪丙戌，先君见背，
是时大母在堂，尝示毅曰∶吾家治痰 ，始于汝曾祖。远峰公患斯症后求医于湖南某君，居
家延医，数月而愈，遂得其传授。汝祖汝父，皆知其术，济人急难，宏慈善之门。汝曹曷取
成法而习之，亦绍先人之事也，毅谨遵命，按法施治，罔不取验。第见近世以来，患者日众
，其经毅医治者，痊愈不可枚举。其不知就医治者，死丧不知凡几，即或不死，非成痨瘵，
则为废疾。哀我人斯，频罹疾戾，岂不深可悯乎？是以不揣固陋，谨将夙昔所闻见，平时所
经
验，先辨论情形，次详解治法，终略述医案，务求平易简当，俾阅者一觉周知，无质疑问难
之苦。将人人得此编，即人人能治此病，人人能治此病，即亿兆京垓之人，咸无是病，斯亦
为莽莽群生，广开方便法门之意也，故名是编为《痰 法门》。倘内外鸿博之士，于斯症，
有所发明者，究其得失，不惮斧政改良而进化之，是又所希望于将来也。
民国七年四月十一日楚北斩水李庆申子毅谨序
Since my childhood, I have seen those suffering from this disease in my hometown coming to my door daily to cry for help.
My father, Mr. Yuquan, possessed skilled hands and eyes (metaphor for medical expertise), diagnosing symptoms and applying treatments, resulting in recovery within specified periods; such cases were countless. For the poor who could not afford to purchase prescriptions and medicines,
my father
often prepared ready-made pills to give away without seeking repayment. Therefore, neighbors suffering from Tanli (Phlegm Leprosy) all had something to rely on and felt no fear. In the Bingxu year of the Guangxu reign, my father passed away.
At that time, my grandmother was still alive. She once instructed me, saying: "Our family's treatment of Tanli began with your great-grandfather. After Great Peak Gong (Yuanfeng) suffered from this condition, he sought medical treatment from a certain doctor in Hunan. He invited doctors to his home for treatment, recovered after several months, and thus received the transmission of this skill. Your grandfather and your father both knew this technique, helping people in their emergencies and promoting the gate of charity. Why do you not take the established methods and learn them? This is also continuing the affairs of our ancestors." I respectfully obeyed the command, applied treatment according to the method, and never failed to achieve efficacy. However, I observed that since modern times, the number of patients has increased day by day.
Among those treated by me, recoverable cases are innumerable. Those who did not seek medical treatment died or perished in unknown numbers; even if they did not die, they either developed Laozai (consumptive disease/tuberculosis) or became disabled. Alas, we humans frequently suffer from these malignant diseases; is it not deeply pitiable? Therefore, disregarding my own ignorance and shallowness, I carefully compiled what I had heard and seen in the past, and what I had experienced and verified in practice. First, I distinguish and discuss the conditions; second, I explain the treatment methods in detail; finally, I briefly recount medical cases. I strive for simplicity and appropriateness, so that readers may understand everything at a glance, avoiding the bitterness of questioning and raising difficulties. If everyone obtains this book, then everyone can treat this disease. If everyone can treat this disease, then billions upon billions of people will be free from this illness. This is also the intention of opening a convenient gateway for the vast multitude of living beings. Hence, I named this book *Tanli Famen* (Methodology of Treating Tanli). If scholars inside and outside the field, who are knowledgeable and profound, discover new insights into this condition, exploring its merits and defects, and are not afraid of criticism, correction, improvement, and evolution, this is what I hope for in the future.
Respectfully Prefaced by Li Qing Shen Ziyi of Zhanshui, Chu North, on the 11th Day of the 4th Month, the 7th Year of the Republic of China.