First, physical examination and neurological examination should be carried out to detect the characteristic manifestations of somatic diseases or neurological diseases through the doctor’s examination, as well as the examination of somatic movements and muscle tension; second, laboratory tests can be performed, such as blood sampling for routine blood tests to identify whether the patient has central system infections, and also to check the patient’s Second, laboratory tests can be performed, such as blood tests to identify whether the patient has central system infections, liver function and kidney function to determine whether the patient has impaired liver function or kidney function, reproductive hormones or viral infections, thyroid function, all of which can identify physical diseases; third, instrumental tests can also be performed, such as EEG to detect epileptic waves, and CT tests to detect whether the patient has brain tumors or traumatic brain injury. If organic problems are ruled out, a detailed psychiatric examination can be performed, in which a psychiatrist will talk directly with the patient to check whether there are any abnormalities in the patient’s mental activity.