Immune system disorders may be caused by overwork, bad hobbies, long-term use of antibiotics and other factors. 1. Overwork: long-term engagement in heavy physical labor, do not pay attention to rest, or irregular life, long-term stay up late, the body can not fully rest, resulting in the destruction of the body’s immune system, causing immune system disorders. 2. Bad hobbies: because of excessive smoking, drinking and other bad hobbies, the body’s immune system damage, resulting in immune system disorders, more likely to induce the disease. 3. Long-term use of antibiotics: If you use antibiotics for a long time or abuse antibiotics, it will destroy the innate immunity of intestinal tissues and lead to bacterial infections in the body. People with immune system disorders are prone to rheumatic immune system diseases such as systemic lupus erythematosus and thyroid diseases, etc. People with immune system disorders should go to the hospital in time for targeted treatment under the guidance of doctors.