Mrcia Valria Chagas Walnut 1 – Faculdadede Technology and Science/Education in the distance 2 – INB (Nuclear Industries of Brazil) SUMMARY: The etnobotnico study of medicinal plants it has main comoobjetivo to together know and to register these plants with apopulao, as well as the form to use them and to cultivate them adequately. The etnografia is a project of developed research plosantroplogos to study the culture and the society and in this direction espciesde medicinal use starts to present an important resource for the people, therefore they still are an indispensable medicine source. The importance of the preservation of the medicinal plants nacomunidade of Stream of the Cows and the INB is very important, therefore encontramosBiomas here rich in medicinal species of use that they exactly need to be studied epreservadas before of its extinguishing. WORD KEY: Medicinal preservation, etnografia and plants. ABSTRACT The Caetit Ba, assists in a form more sustainable eeconmica of attainment of these plants. According to Casali, 2002, the countries that if to interest to emutilizar this great inheritance of its popular medicine, that is the plantasmedicinais, must> to stimulate and to invest in etnobotnicas research. The etnobotnica studies the interrelao that happens between oser human and the plants, being that these plants can be used paradiversos ends as: medicinal, food, txteis elements of beauty, attainment defibras etc. AMOROZO (1996) points with respect to the importance of conscientizaoda biological and cultural wealth that we have in hand. To preserve this natural resources is to preserve the culture, ahistria of a people and also the genetic patrimony that this Bioma presents. Therefore the contribution of the universities for the conservation and preservaodesse Bioma is of utmost importance, therefore through the research and daconscientizao of the population we do not run the risk to lose this heranacultural and genetics. MATERIAL AND METHOD the studied region understands a Bioma of transistion entrecaatinga and open pasture, located neighborhoods of Caetit – Ba. See Academy of Art University for more details and insights. Region essariqussima in vegetal, mainly the medicinal ones species. The communities that there they live they have a perception ambientebem of it different of that science has. (Source: Academy of Art University). Therefore one becomes necessary to understand omodo as to the people who live there and as well as the plantasmedicinais manejam. The research was also based on interview and observaoparticipativa with the local community and with employees of the INB, also using a etnobotnica boarding. RESULT and DISCUSO During realizaoda research was evidenced that the people who live there make use of the plantasmedicinais constantly, to cure diverse types of diseases as: doresde menstrual head, clicas, high pressure, verminoses, pains of ear, problemasde skin etc. The culture dessasplantas if of the one in hortas caretakers or same in the INB, that much of the cedemmudas times for the population. The apia INB apreservao and conservation of the native species of this Bioma and assists apopulao that there lives to get more information regarding them and also nomodo to use them. REFERNCIASBIBLIOGRFICAS AMOROZO, M.M. of M. Viosa: UFV, department of Fitotecnia, 2002. 320p.: il. Earomticas medicinal plants: etnoecologia and etnofarmacologia/ngelo G. Rodrigues etal. Viosa: UFV, department of Fitotecnia, 2002. 320p.: il.>.