Breast cancer patients can have their teeth cleaned, but not if they have bleeding disorders, malignant tumors in the gums, heart disease and high blood pressure, acute infectious diseases and so on. Breast cancer patients can generally have their teeth cleaned, and tooth cleaning will not affect the treatment and recovery of the disease, however, breast cancer patients should be prohibited from tooth cleaning if the following conditions exist 1. Bleeding disease: such as thrombocytopenia, leukemia, etc., because of the abnormal blood clotting function, it is easy to bleed more than one when scaling. 2. Malignant tumors in the gums: scaling can easily lead to the spread of tumors. 3. Heart disease and high blood pressure: heart disease such as active angina, recent myocardial infarction or heart failure. The stimulation of heart is more serious when scaling, and it can rapidly raise blood pressure, which can easily lead to the attack of cardiovascular and cerebrovascular diseases. 4. Acute infectious diseases: such as acute hepatitis activity, tuberculosis, because of its infectious nature, these patients for scaling, easy to cause the spread of germs and diffusion. There are more contraindications to scaling, if breast cancer patients need scaling, they should consult the doctor in time and exclude the contraindications to scaling before proceeding.