The symptoms of preneuropathy include dizziness, headache, tremor, unstable movement, abnormal sleep, lower limb paralysis, hemiplegia or numbness of limbs, abnormal sensation, apoplexy and coma, ineffective control of urination and defecation, and muscle atrophy or muscle weakness. Psychological symptoms include emotional changes, becoming apathetic, losing previous enthusiasm, indifference to relatives, alienation from friends, and lack of interest in surrounding things. Changes in sleep, gradual or sudden difficulty in sleeping, waking up easily or not sleeping deeply, having nightmares or sleeping excessively. Sensitivity and suspicion, very sensitive to everything and feels that everything is directed at him, always observing every move of others. Abnormal behavior, gradually become eccentric behavior, like to be alone, talking to himself, lazy life, undisciplined, etc.