A thought interruption is when the patient feels that their mind is blank at the time. The patient suddenly stops talking and what is said is not the original topic. It is mainly seen in schizophrenia. Its prevention methods are as follows. 1, timely detection of relapse aura, timely treatment: relapse of schizophrenia is aura, as long as timely detection, timely adjustment of drugs and doses, generally can prevent relapse, common relapse aura for the patient for no reason appear bad sleep, emotional instability, unexplained tantrums, random thoughts, talk outrageous, etc.. At this point, you should seek medical attention in a timely manner, and adjust the treatment of fluctuations in the timely treatment of the disease can be prevented from relapsing. 2, to reduce the triggering factors: family members and the surrounding people should be fully aware of the weakness of the patient’s mental state after the disease, to help arrange the daily life. Talk with the patient often, help the patient to treat the disease correctly, treat real life correctly, help the patient to improve psychological tolerance, encourage the patient to increase confidence, so that the patient can live in an environment without psychological pressure and mental distress. 3. Carrying out community psychiatric prevention and treatment: To detect patients early, treat them early and prevent relapse, it is necessary to establish institutions for the prevention and treatment of mental illness in society and to popularize the knowledge of prevention and treatment of mental illness in grassroots health care organizations. Since the establishment of community psychiatric prevention and treatment institutions, the relapse rate of schizophrenia has decreased more significantly.