Abstract: In recent years, the diagnosis and treatment of groin hernia have become more mature, and personalized treatment plans for different groin hernia have become more standardized. On the basis of the Guidelines for diagnosis and treatment on the adult groin hernia (2018 edition), more than 70 experts and scholars in China have discussed the consultation and modified the content of diagnosis and treatment of groin hernia in children and adolescents, diagnosis and treatment of scrotal hernia, management of hernia related complications, and postoperative education and follow-up in this new edition, combined with evidence-based medical evaluation standards. The relevant medical institutions and peers in China are requested to carry out the actual clinical reference.