tDCS (Transcranial Direct-Current Stimulation) is a non-invasive, painless, safe and inexpensive technique, capable of changing through direct current electrical activity of the cerebral cortex. The objective of this systematic review is to describe the response obtained with tDCS treatment in patients with CM disease (Chronic Migraine). Method: A search of the medical literature in Scielo, Springer, and Pubmed data bases. Publications where the term - Transcranial Direct-Current Stimulation, Chronic Migraine was found were included. Research on other diseases, drug implemented in CM, Electroshock Therapy, Transcranial Magnetic Stimulation and Vagal stimulation treatments were excluded. Results: From a total of 21 publications, 3 references met the inclusion and exclusion criteria for this review. Conclusions: The results of this review suggest that the use of tDCS is a safe method that gradually decreases the intensity of pain episodes CM.