This bachelor thesis deals with the use of the 7-Tesla (T) - Magnetic Resonance Imaging (MRI) device in brain examinations. The focus of the work is the presentation of the current state of research of the 7-T-MRT device. It describes the benefits of the 7-T device compared to the 3-T MRI device and explains their respective limitations. It also questions whether the 7-T MRI can can be used in routine operation. This thesis was developed by means of literature research. Currently, whole-body 7-T MRI is available for research at approximately 60 sites. The majority of the devices are located mainly in Europe, the United States of America, South Korea, Japan and China. 7-T MRI provides morphological, functional, metabolic and biochemical information about the brain. Due to the improvement of SNR, diseases such as multiple sclerosis (MS), Alzheimer's disease, vascular disease, epilepsy and tumors can be more accurately represented. The higher magnetic field strength also brings disadvantages. It increases both the risk of increased magnetic susceptibility effects and the signal-to-noise ratio (SNR). Due to the physical properties of the high field strengths, the MRT sequences and coils used at 1.5 Tesla and 3 Tesla cannot be adopted without adaptation. In 2017, the first 7-T MRI was established in the clinical routine in Vienna. In the future, 7-T MRI will also be used to explore the metabolism.