With the increase in the Cleansing Soaps life expectancy of domestic animals and their increasingly affectionate relationship with their owners, it is possible to observe an increase in cases of neoplasms in these animals.Mammary neoplasia mainly affects older females who have not been castrated, due to hormonal KIDWEAR dependence for the development of the tumour.The main form of treatment is surgery.This study aims to carry out an updated review on mammary neoplasms in female dogs covering the anatomy, physiology, prevalence, causes, diagnoses, treatments, prevention and prognosis, based on scientific articles by renowned researchers.