He was always overly cautious in doing things. Some things would be thought over and over again. It might be a psychological problem called obsessive-compulsive disorder. Obsessive-compulsive disorder was a psychological disorder manifested by a strong pursuit and obsession for a particular thing, causing the individual to become highly nervous and alert in front of these things, and often repeatedly thinking and struggling. Treatment for OCD included psychotherapy and medication. Psychotherapy could use cognitive behavior therapy, obsessive-compulsive disorder rehabilitation programs, etc. to help individuals change unhealthy thinking and behavior patterns to alleviate symptoms. Pharmacological treatment can use antidetents, anti-anxiety drugs, etc. to help the individual reduce symptoms. At the same time, the symptoms can be controlled by changing the dosage of the drug or changing the drug. In addition to medication, patients with OCD could also use self-therapy to alleviate their symptoms, such as relaxation exercises, meditation, exercise, and so on. The most important thing was that the patient needed to recognize that OCD was a treatable psychological problem and actively cooperate with the treatment, adhere to the rehabilitation plan, and gradually get rid of the symptoms.