The author has developed and suggested a classification of hernias of the anterior abdominal wall. The new classification is grounded on observations over numerous clinical manifestations and peculiarities of the disease and subdivides these hernias according to the condition and shape of the hernia sac, localization, number and size of the hernias, time of the occurrence and incidence rate of the hernia following an operation, presence of concommitant diseases and the degree of disability of the patients.