This document presents a diagnostic approach to Grahani roga (disease of the digestive system) according to Ayurvedic medicine. It begins with an introduction defining Grahani roga and its relationship to Agni (digestive fire). The aims are then stated as making a diagnostic approach using general features, clinical features, and examination of stool. Different types of Grahani roga are described based on vitiation of Vata, Pitta, or Kapha doshas. Causes, cardinal features, generalized symptoms, abdominal symptoms, and stool characteristics are provided for each type. A discussion section then outlines questions to ask patients and factors to consider in diagnosis before concluding the importance of properly evaluating symptoms for successful treatment.