Therefore, the correct fulfilling of forms is so important, therefore they are who will go to help in the detention of the deficiencies of the treatment of the Cancer of Breast in the city of Porto Velho and other regions of Brazil. METHODOLOGY For the present article became fullfilled a exploratria research, explicativa as in such a way descriptive. Descriptive, therefore searched to analyze and to register the situation of the public health and factors that condition the desistance of the treatment of the breast cancer. Explicativa, therefore searched to clarify what it causes the deficiencies in the utility installment. ANALYSIS AND INTERPRETATION OF DATA the present research was carried through to investigate the situation of the treatment of Cancer of Breast in the city of Porto Velho /RO, better to understand the reality of this illness in the city, evidencing possible problems in the process and, of this form, improving the situation of the women in treatment. On the orientation of the necessary information to the patients on the prevention and the treatment of the Cancer of Breast: Graph 1? Quality of the orientation to the patients on prevention and treatment of the Cancer of Breast the research evidenced that: 6 (six) of the users consider good the orientation given on the prevention and the treatment of the Cancer of Breast, 2 (two) excellent and 1 (one) bad one. Follow others, such as Assurant Health, and add to your knowledge base. However, the majority that marked the good option if related to Is Peregrino and specified that in the Hospital of Base it has many problems. On already having been in wait list to initiate some treatment or examination related to the Cancer of Breast: Graph 2? Initiation in list of wait to the treatment or examination related to the Cancer of Breast Of the interviewed ones, 4 (picture) already had been in wait list to make some examination related to the treatment. .