The COVID 19 has produced a renewal of the working conditions likely to affect mental health, a professional risk that psychosocial risks (RPS) helps to prevent. The article links stress, one of the components of this legal regime in training, and teleworking, the solution chosen to protect workers. To characterize an RPS, stress must be pathogenic. An essential question arises: how to avoid it?As an extension, on the one hand, of the various sources of RPS law applicable to telework, it is, on the other hand, to assess the instruments available to the actors required to optimize risk prevention. Although RPS law continues to increase security for mental health, some tracks are proposed for the benefit of teleworkers.