痴呆是以认知障碍表现为核心症状，可伴有精神行为异常，而痴呆患者精神行为

Dementia is a cognitive impairment manifested as the core symptoms may be associated with mental and behavioral abnormalities, and behavioral and psychological symptoms of dementia (BPSD) seriously affected the quality of life of patients, caregivers to bring serious pressure, increasing the difficulty of care, It is the leading cause of hospitalization treatment. The influencing factors of BPSD, the characteristics of different types of BPSD, BPSD BPSD assessment tools and care were reviewed, and aims to provide a reference for future research to improve the quality of care for patients with dementia.

Dementia is a cognitive impairment as the core symptom, can be accompanied by mental behavior abnormalities, and dementia patients' mental behavior symptoms (BPSD) seriously affect the quality of life of patients, bring serious pressure to caregivers, increase the difficulty of care, is also the primary cause of hospitalization. This paper summarizes the influence factors of BPSD, the characteristics of different types of BPSD, the evaluation tool of BPSD and the nursing of BPSD, and aims to provide a reference for improving the nursing quality and future research of patients with dementia.

Dementia is the core symptom of cognitive impairment, which can be accompanied by mental behavior abnormality. The mental behavior symptom (BPSD) of dementia patients seriously affects the quality of life of patients, brings serious pressure to caregivers, increases the difficulty of nursing, and is also the first reason for patients to be hospitalized. In this paper, the influencing factors of BPSD, the characteristics of different types of BPSD, the evaluation tools of BPSD and the nursing of BPSD were reviewed, in order to provide reference for improving the nursing quality of dementia patients and future research.<br>