According to increased drug resistance and high prevalence of cancer, a lot of studies have been performed in developed countries for improving the quality of life and enhancing the survival rate in patient. Among these, attention to physical activity and exercise training have been very important and have attracted many advocates. Therefore, the present randomized trial study will be aimed to investigate the role of the interval exercise training on improving of the parameters involved in chemotherapy resistance in treatment-resistant breast and gastrointestinal cancer patients. Subjects include 60 female patients with breast and gastrointestinal cancer between the ages of 30 to 60 years, referred to Cancer Institute of Iran since September 2016 to September 2017 which randomly divides into two groups: the exercise training with standard treatment group and without the exercise training group. The exercise training duration is 13 weeks, and before the start of training protocol and 48 hours after the last exercise session. Serum samples from patients are collected before and after the exercise training and stored at -80 °C until measurement time. Evaluations include the Vo2 max measurement, the life quality survey, and assay to p-gp, ABC, P53, P63, P68, BRCA1 and BRCA2, topoisomerase I and II, Her2, and metallothionein, glutathione and superoxide dismutase using conventional ELISA, Western blot and immunohistochemistry methods.