Background:The focused attention training has been used in pre surgery patients because of the benefits of its use: decrease of psychological symptoms like anxiety, eases the post operatory period and recovery. Also, there are favorable changes in a psychological level as well as pain healing. Objective: Show that the focused attention training is effective in patients who are candidates to a craniotomy. Method: The study includes 11 participants in an age of 29 to 60 age from the Hospital de Especialidades del Centro Médico Nacional Siglo XXI, from May to September 2021. The Hospital Anxiety and Depression Scale (HADS) was applied pre, post and follow-up, to search anxiety symptoms and the focused attention training was used in the 11 patients. Results: The data was analyzed and checked with the Friedman test, for not parametric data and to identify differences in anxiety levels. It was observed that there are differences (p < 0.05) in both anxiety and depression. Conclusions: Anxiety decreased significantly before and after the focused attention training, the follow-up was kept the same way for 40 days; which means the training helped the patient to decrease anxiety.