Medicinal and aromatic plants are used not only in the pharmaceutical industry, but also in cosmetics and food industries, plant protection products, and landscaping. In recent years, the medicinal benefits of these plants have gained an important place in the pharmaceutical industry with the increase in scientific studies. In addition, with the increasing interest in natural and organic products and the rise in environmental awareness, the use of medicinal and aromatic plants is increasing day by day. This book covers the different uses of medicinal and aromatic plants, their pharmacological properties, biological activities, and their use in modern medicine and folk medicine.