A bone groove in the middle of forehead is a normal physiological structure, because there is a sagittal suture in the middle of human skull, which is easy to form a skeletal depression, some people perform more obviously and feel a groove on forehead bone, but there is no obvious discomfort symptom, and it will not cause bad effect to the body, so don’t worry too much, and no special treatment is needed. If you feel that it affects the aesthetics, you can improve the symptoms through cosmetic methods, such as through autologous fat implantation surgery or the use of silicone, which can achieve cosmetic effects. If you have pain or dizziness, you need to exclude the possibility of intracranial lesions, such as cerebral hemorrhage, cerebral infarction, or intracranial tumor lesions, which can be clarified by CT or MRI.