反应性精神病是由社会心理因素所致的一组精神障碍，多发生在人一生中经历社会心理刺激较多的成年,在儿重时期很少发病。本例患者9岁，应激源是生身父母，这在临床实践中很少见。患者9岁，女性，小学三年级学生。主诉（代）：傍晚时哭泣、冲动伤人三个多月。现病史：患者从出生 Reactive psychosis is a set of mental disorders caused by social psychological factors, occurs in adults throughout the life experience more social and psychological stimulation of adulthood, infrequent incidence in infancy. In this case, the patient was 9 years old and the source of stress was a biological parent, which is rarely seen in clinical practice. Patient 9 years old, female, third grader. Chief complaint (on behalf): Weep in the evening, impulsive wounding more than three months. Current medical history: patients from birth