Jingfang means Classical herbal formulas, which are introduced in book Shanghan Lun and used in Traditional Chinese medicine from the history. It is said that if the identification of the indications for each formula set correctly, the healing effects of such formula is excellent. However, it is not completely established what should be correct indications for each formula. Different TCM doctors have different opinions. This book is the collection of current opinions and clinical experience of some current Chinese herbalists. I wish that from their valuable clinical experience in the use of Classical formulas, we can better understand the indications of the Classical formulas. Data here are collected from books and online. It is a useful reference book for those doctors who practice Traditional Chinese medicine, especially on Classical formulas.