Al-Din al-Sana'i is an Arabic term that translates to "The Book of Diseases and Remedies", and it is used as a reference for the correct treatment of diseases in Islam. It was compiled by Ibn Qayyim al-Jawziyah (Ibn Qayyim Al-Jawziyya) and contains a collection of several thousand medicinal plants and animal.

This book is written in the form of a dialogue, and each chapter is like a conversation between a doctor and his patient. The patient in this case is the soul, and the doctor is the Quran, the Sunnah, and all the religious knowledge of mankind.

Each of the chapters contains a certain disease and its treatment. The diseases are described in detail, with the symptoms, causes, and how to treat the patient. The most important aspect of this book is that it is a collection of several thousand medicinal plants and animals. Each plant and animal is described in detail with its symptoms and how to treat the patient.