四妙汤是中医外科常用方剂之一,在《和剂局方》和陈自明的《外科精要》中名神效托里散。《本草纲目》谓本方:“治痈疽发背、肠痈、乳痈、无名肿毒,焮痈寒热,不问老幼虚实眼之,未成者内消,已成者即溃”。笔者在学习《外科正宗》一书时,感到其列症详,而论治精在加减运用四妙汤上,恰到好处。现就此书“肿疡主治 Si Miao Tang is one of the commonly used prescriptions of traditional Chinese medicine surgery. In the “Harmony Agents” and Chen Ziming’s “Surgical Essentials”, the name is known as the devil effect. “Compendium of Materia Medica,” that the party: “treat her back hair, intestinal fistula, breast milk, no name swollen poison, cold and heat, do not ask the old and the young and the actual situation of the eye, and those who did not become internal consumption, already become those who collapsed.” When I was studying the book “Surgical Authenticity,” the author felt that the list was very detailed. On the other hand, on the basis of the addition and subtraction of Siu Miu Tang, it was just right to apply it. This book is entitled "Swelling and Ulcer Indications