For brain forgetfulness: first of all, it can be seen in some elderly people, considering that as we grow older, brain tissue will atrophy and this kind of forgetfulness can occur, and in severe cases, memory loss can occur. For this condition is considered to be a degenerative change and there is no particularly effective clinical approach. Secondly, brain forgetfulness can be seen clinically in a number of diseases, the more common is vascular dementia, generally seen in the middle-aged and elderly. Due to repeated cerebrovascular lesions leading to brain cell necrosis, patients can experience memory loss and amnesia, and it is recommended that treatment be given for the cause of cerebrovascular disease. Then, brain forgetfulness can also be seen clinically in Alzheimer’s disease, also known as Alzheimer’s disease, is also a degenerative disease, with a genetic tendency, generally patients can appear as they grow older, spatial and temporal cognitive decline, manifesting as forgetfulness, and in severe cases are generally unable to take care of themselves. If it is simply a young person’s brain forgetfulness, it is mostly due to poor rest, stressful work and fatigue, which can generally be recovered after rest or proper physical exercise.