The main objective of this randomised controlled trial (RCT) is to investigate the immediate and long-term effectiveness of 8-week online exercise intervention for people with psychosis receiving residential care.

The effect will also be evaluated after 6-month and 12-month, anticipate seeing the maintenance of physical activity throughout a year of time.

The secondary objective of this RCT is to investigate if the exercise intervention will be effective in improving the clinical symptoms, cognitive functioning and social functioning of the subjects, and to see if the improvement can be maintained (or improve) over a longer period of time (i.e., 6-month and 12-month).

Inclusion Criteria:

• Based on the Fifth version of the Diagnostic and Statistical Manual of Mental Disorders diagnosis to have schizophrenia and related psychotic disorders
• Have the ability to understand Chinese
• Able to give informed consent

Exclusion Criteria:

• Severe physical illness (Myocardial Infarction, Hypertension, Fracture, Spinal problems in which exercise may be contraindicated), and seizure disorders.
• Comorbid substance dependence
• Unstable psychotic symptoms
• Any history of brain trauma or organic brain disease
• Known history of intellectual disability or special school attendance
• Other mental conditions that requires other treatment priorities, e.g., suicidal risk.
• Other medical conditions that severely limits participation, comprehension, or adherence to the treatment or assessment e.g., epilepsy, dementia, terminal medical illness.