There is a bone groove in the middle of forehead, most of them are normal physiological structure. Because there is a sagittal suture in the middle of the early development of human forehead bone, the growth process forms a depression of the bone, some people are more obvious, feel like a ditch, but there is no obvious discomfort symptoms, and will not cause adverse effects on the body, so do not worry too much, and do not need special treatment. If you feel that it affects the aesthetics, you can improve the symptoms through cosmetic methods, for example, 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.