Disorientation disorder refers to a patient’s misperception or complete inability to perceive his or her own situation or the situation in the surrounding environment, and is mostly seen in various organic brain diseases or mental disorders or disorders of consciousness. Disorientation to the surroundings includes disorientation to time, place, and people. Time orientation disorder is a disorder in which the patient does not know the exact time of the day, month, or year, the day of the week, the winter, the summer, or the morning or the afternoon. For place orientation disorder is that patients do not know where they are now, if they are in the hospital, they do not know which hospital they are in, sometimes as their own home. Orientation disorder to people is that the patient cannot distinguish who is who around him, does not recognize his own family, and treats his son as his grandson. Orientation disorder to oneself is the patient’s inability to provide his or her name and age accurately, especially the age is often wrong. Dual orientation disorder is mostly seen in schizophrenia, where one can think that he or she is in two different locations at the same time.