The goal of this observational study is to learn about the effectiveness of the multi-modal evaluation for agitation behavior in critically ill patients based on remote video-Ultra-sensitive detection wave.

The main question it aims to answer is: evaluate the effectiveness of multi-modal evaluation monitoring system for agitated critically ill patients Participants already taking multi-modal evaluation monitoring system as part of their regular medical care for agitated critically ill patients will compare their effectiveness for agitation for 3 years.

Inclusion Criteria:

• Patients at risk of agitation in the ICU
• Patients with RASS score -2 and above
• ≦ 65 years old, ≧ 18 years old

Exclusion Criteria:

• The affected party refused to participate in this study
• Missing/incomplete information
• Vulnerable groups such as pregnant women, those who lack the capacity for civil conduct and do not have the consent of their legal representatives
• Maxillofacial trauma, burns, tumors, surgery, etc. affect facial expression
• Patients with limb impairment and amputation
• Spinal cord injury, limb movement/sensory limitations
• Patients with pre-existing neurological/psychiatric diseases
• Patients with malignant tumors
• Patients with infectious diseases
• Patients with terminal disease and dying disease
• Abnormal behavior due to head injury or craniocerebral disease

any patients with agitation