"Byun Jeung Rok(辨證錄)" written by Jinsatak(陳士鐸) is composed of 14 volumes. In relation to the contents, it is organized into 126 gates(門) and 770 remaining syndromes(餘證) where internal medicine, external medicine, pediatrics, gynecology(內科 外科 小兒 婦人), etc. are divided into sub-sections of cold damage, cold stroke, wind stroke(傷寒 中寒 中風), etc. He explained the symptom, cause of disease, method of treatment, prescription, construction of prescription, instruction of medicine and prognosis(症狀 病因 治法 處方 處方構成 服用法 預後) thoroughly. This study, as an inquiry of the sec 14 volume pediatrics(小兒), deals with febrile fit cacotrophy vomiting diarrhea(驚疳吐瀉), coprozoic parasite(便蟲), smallpox(痘瘡), eruption(疹症), eating mud(喫泥), fetal toxin(胎毒). It was written very logically so it is easy to understand. The analysis of the symptoms are brief and appropriate. Therefore, it is considered to have significant clinical value for future generations and is applied by them. Finally, this topic was studied in hopes of helping later pediatrics clinical treatment.