Abstract:- The relationship between Breast Cancer & Hyperinsulinemia is as related to oxidative stress factor, as breast cancer & Hyperinsulinemia helps in the progression of a Tumor, But it is not necessary that Hyperinsulinemia patient will always show Breast cancer symptoms and according to my Research , it indicates an insignificant Relation between Hyperinsulinemic Patient And Breast Cancer. But according to my research High BMI Patients are more Prone to Hyperinsulinemia. & reasons, Which cause breast cancer increases with high BMI & high chronic stress, with a high level of Hyperinsulinemia.