Herbal medicine is an integral part of general medicine, and therefore uses academic diagnosis. The only difference lies in the use of herbal medication. The use of herbal drugs offers the practionner, as much as the patient, a wider and more specific range of medication. These herbal drugs have been the subject of lengthy researches at universities pharmacology departments. Extensive research has been conducted, ranging from the harmlessness of common herbal drugs to the possibility of new molecule growth cleansing of the active principle of plants with potentially high toxic risk. Our ancester's herbal medicine gives way today to modern medicine, i.e. a wealth of remedies and a high storage for tomorrow's medications.