In this paper we present some aspects related to Biotechnology didactics to the fact its quick growth and its many applications in agriculture, health, industry and environment, among others.It shows polysemy, epistemological status and the possibility of understanding biotechnology as a subject to be taught in school.In order to make visible these characteristics, a workshop for science teachers and future teachers practicing in the same area, allowing them to reflect and problematize their conceptions on biotechnology and school teaching was structured and proposed.