Anxiety is considered together with depression the most dangerous mental psychiatric disorders worldwide. In Mexico, the use of medicinal plants is growing very rapidly in the treatment of these disorders. It is very important to point out that the lack of scientific evidence to validate this is necessary to have the clinical evidence in order to support their use of these plants. This work deals with their identification of plants, to review the current preclinical and when the clinical information is available to present current status of these plants is use to alleviate the symptoms of anxiety.