en Original Article <strong>Background:</strong> A headache is the most common post-traumatic complaint in patients. Nurses can help to relieve the pain and to improve the quality of the care through non-pharmacological methods. The aim of this study was to determine the effect of pressure on Hugo point on the severity of a headache after head injury.<br> <strong>Methods:</strong> In this clinical trial, 60 patients were randomly divided into two intervention and control groups after accessible sampling. At first, the severity of a headache was measured by Visual Analogue Scale. In experimental group, the pressure was applied to Hugo point for 2 minutes followed by rest for 2 minutes; this procedure was repeated for 7 times. During this period, the control group received only routine care. The patients&#39; pain scores were measured again after the intervention. Data analysis was performed using SPSS v.20 software.<br> <strong>Results:</strong> There was a significant difference between the scores of pain in the experimental group before and after the intervention (P <0.05), however, this difference was not significant in the control group.<br> <strong>Conclusion:</strong> Considering the ease of performing and the safety of this method, it is suggested to be used as an effective method to reduce the headache in patients. Hugo point, acupressure, headache 51 56 http://nmj.goums.ac.ir/browse.php?a_code=A-10-188-2&slc_lang=en&sid=1 Mohammad Moradi baglooei@yahoo.com 10031947532846004231 10031947532846004231 Yes Psychiatric nursing, faculty member, psychiatric nursing department, nursing & midwifery college, Qazvin University of medical science, Qazvin, Iran reza Zeighami 10031947532846004232 10031947532846004232 No Nursing Education, professor assistant, psychiatric nursing department, nursing & midwifery college, Qazvin University of medical science, Qazvin, Iran Hossein Tuzandeh jani 10031947532846004233 10031947532846004233 No Critical Care Nursing, psychiatric nursing Critical Care Nursing department, nursing & midwifery college, Qazvin University of medical science, Qazvin, Iran Mahmud Alipur 10031947532846004234 10031947532846004234 No Department of Biostatistics, Faculty of Medicine, Qazvin University of Medical Sciences, Qazvin, IR Iran