Inhibitory cytotoxic t-cells mainly refers to CD8-positive T-lymphocytes, and a high count may be due to inflammation in a certain part of the body, suggesting the presence of viral infections and immune dysfunction, etc. CD8-positive T-lymphocytes are the main immune cells in the human body, belonging to a type of t-lymphocytes, and their main function is to kill the invading cells that carry specific antigens. A high CD8-positive T-lymphocyte count indicates that the body’s immune system is in a state of hyperactivity. If the human body is infected with viruses, bacteria or pathogenic microorganisms, CD8-positive T-lymphocytes will increase. Common diseases that can trigger a high CD8-positive T-lymphocyte count include: dermatomyositis, rheumatoid arthritis, systemic lupus erythematosus, rheumatoid arthritis and so on. It is recommended that patients with high CD8-positive T-lymphocyte counts go to regular hospitals in time, and take appropriate treatments under the guidance of physicians for the cause of the disease, so as to avoid delaying the condition and aggravating it.