The science that was discovered and developed over the past decades and centuries was the basis of what we see in this era, of modern medicines, compounds, and chemicals. It was not a science built on illusions and falsehoods. Despite the presence of some charlatans and charlatans, who are not devoid of place or time, Islamic chemistry had correct theories and fixed rules. We may sometimes be surprised by the concepts and opinions we find in their books, which we thought were modern, only to find that they were ahead of them. If this is the case, then how far have the Arabs come in establishing the rules of this science? That is what this book attempts to answer.