Both suicidal behaviour and consumated suicide are an important problem for public health throughout the world, which is why it is important to understand its determinant factors. Autolytic conduct is a complex and non-aleatory act in which socio-demographic, psychological and biological factors intervene. This study analyses the most important risk factors in autolytic behaviour. It is important to have a good understanding of these factors to be able to adequately evaluate autolytic risk and, as far as possible, to prevent autolytic behaviour.