Medicinal plants are important in health and economic component of the floras in developed as well as developing countries. Increasing world-wide interest in herbal remedies, expanding reliance of local health care on traditional remedies, and a renewed interest in the development of pharmaceuticals from plant source have greatly increased trade in medicinal plant materials.The book is an inventory of the quality assurance of the selected Sudanese medicinal plants. It contains an introduction to medicinal plants importance as therapeutic source, economic value of phytomedicine, and medicinal plants local trade structure in Sudan. The book reveals the definition of quality assurance of the herbal medicinal plants products, and the quality standards of herbal products. It includes the material, methods and equipments used in the work. Both consumers and health-care professionals need up-to-date authoritative information on the safety and efficacy of medicinal plants. Academics and Pharmaceutical Companies have to devote themselves to research in medicinal plants quality assurance.