After stroke or traumatic brain injury to the right parietal lobe, it is easy to develop lateral neglect, which is a perceptual disorder of cognitive impairment and has a great impact on the recovery of patients, so it is necessary to screen and treat this type of patients. The behavioral characteristics of patients with lateral neglect include: 1. general performance: face and eyes are biased toward the healthy side, no response to stimuli on the neglected side, not looking at each other when talking to others; 2. residual food on the neglected side when eating, omitting dishes on the neglected side; 3. face is not washed clean, teeth are not brushed, beard is not shaved clean when washing, omitting makeup and accessories on the neglected side; 4. omitting shoes, socks, gloves, a 5.When riding in a wheelchair, the foot on the neglected side is not stirring the pedal, the handbrake is not activated, and it is difficult to complete the movement of transfer; 6.When entering the toilet, the toilet paper is not thrown into the paper basket, and the flushing handle on the left side is neglected, and the toilet is outside; 7.When walking, the person walks past the target on the left side, gets lost, ignores pedestrians and buildings on the left side, does not walk in a straight line, and crashes into objects on the neglected side; 8.Disease denial. Decreased thinking ability (planning, synthesis, problem-solving ability), mental abnormalities (euphoria, impatience, stubbornness, depression).