This article discusses about how the invisibilization of the difficulties in health associated to RSIs are produced, especially pain, and the attention to the heath of slaughtering and meat processing industries laborers of Santa Catarina, Brazil. This process has showed us to be linked to the technical assistance procedure performed in the health centers, public and private, along the course of the workers in the service, in which it is highlighted the medicamentation of pain, through abusive prescription and consume of drugs. It was concluded that the current therapeutic offers in relation to the health of these labors, oriented by the biomedical model, act as a biopolitical control device of the industry on its workforce. This process disguises the health difficulties and leads to the illness of the workers who are users of the service along its course in the health system. It suggests the necessity of rethinking the way that attention has been given to this population.