While normal people’s thinking is subjectively controlled by themselves, some patients with schizophrenia feel that their thinking is not under their control, or experience that their thinking no longer belongs to them, but is controlled by an external force. This means that the patient feels that their thinking does not belong to them, that their thinking activity has lost its autonomy, or that they feel controlled by an external force. Examples of such experiences are thought deprivation, thought insertion, and thought diffusion. Thought insertion, thought deprivation, and thought diffusion are common in the early stages of schizophrenia and in the full development of symptoms. 1. Some patients feel that there is thinking in their head that does not belong to them and has been imposed on them by others, and therefore feel that this thinking is not under their domination and control, which is called thought insertion. 2. Some schizophrenia patients feel that their thinking is suddenly taken away by an external force, which is called thinking being taken away. 3, There are also schizophrenic patients who feel that their thinking is broadcast out for the well-known, which is called thinking broadcast, also called thinking being broadcast. 4.Thinking speed disorder, such as speeding up the thinking process (idea drifting) or slowing down. 5, thinking form disorder, also known as association disorder, mainly manifesting the looseness of the association structure. Lack of purposeful pointing, symbolic misuse, illogical. For example, scattered thinking. Pathological symbolic thinking, etc. 6, thought control disorder, refers to the patient feels that thinking does not belong to them, thinking activities lose autonomy, or feel controlled by external forces. For example, thought deprivation. Thought insertion. Thought scattering and other experiences. 7, thinking content disorder, such as delusions. Delusion-like ideas. Obsessive-compulsive ideas, etc. This classification is suitable for clinical diagnostic needs, but is more focused on the study of schizophrenic thought disorders, with less attention to organic encephalopathy or other mental thought disorders.