This book deals with male sexual health from the approach of masculinities, sexuality is interrelated with biological, psychological and social factors, this depending on sex and sexual development, from this context sexual dysfunctions are disorders that affect male sexual and reproductive health and men adapt their masculinity based on a culturally created model from patriarchy, This is why this research seeks to demonstrate that male sexual dysfunction is linked to social and biological factors, and that regardless of age, this pathology can cause serious psychological disorders in men.Within the area of masculinities, the aim of this study and others is to transform sexist and sexist tendencies towards a new model of masculinity where men's behaviors seek gender equity.