Definition of medicinal plant and crude drug. Vegetal products of pharmaceutical and health interest. Classes of drugs: brand drugs, generic drugs, drugs without prescription (SOP, OTC), homeopathic drugs. Traditional herbal medicinal products. Medical devices. Alimentary integrators. Main phytotherapy preparations. Theory of tisane. Tisane with more components (Mixtures). Differences, sales and distribution channels, final release of the marketing authorization (AIC). Magistral and officinal galenic preparations. Italian and European Pharmacopoeias.