LACK OF PREVENTIVE PLANNING lack of professionals of nursing technical qualified influences directly in the causes of accidents, the reduced number of workers makes it difficult the accomplishment of the preventive planning of the inherent activities has continued and permanent education, to the material and human resource to eliminate the risks. Much has if written on the planning of the assistance of nursing in the perioperatrio, but, in the practical one, many times the patient is directed to the surgical center without having received the clarifications of its doubts or with only part from them clarified 5. Consideraes Final In Brazil, the concerns with prophylactic measures to diminish the index of the main causes of unexpected being involved the nursing in surgical center comes showing to an alarming reality front to the conditions of work of these professionals. I number it of suspended surgeries to the scarcity of qualified human resources and the lack of preventive planning comes numbers increasing it of accident and causing great damages the quality of the services in nursing in perioperatrio. This bibliographical study it disclosed that the main causes of accidents are related to the excess in the bureaucratic demand of activities and administrative front the deficiency of qualified staff and material, that in turn, generate the problems between the teams consequently reing-echo in the dynamics of the functioning of the unit and in the accidents. The scarce number of professionals of the nursing to develop the administrative and assistenciais activities in surgical center, overloads the team that in turn does not obtain to take care of to the legal and institucional requirements, generating conflicts intra-professional and propitiating a risk environment the manifestations epidemiologists of accidents in nursing in surgical center. The lack of professionals of nursing technical qualified influences directly in the causes of accidents, the reduced number of workers makes it difficult the accomplishment of the preventive planning of the inherent activities the continued and permanent education, to the material and human resource to eliminate the risks.