Firstly, systemic lupus erythematosus belongs to autoimmune diseases and is a multisystemic autoimmune disorder. It is a chronic disease that cannot be cured. It can only be managed through medication to control the progression of the disease, prevent relapses, delay damage to other organs, and prevent complications. This is the overall principle of treatment. Its cause is currently unclear. It is only related to factors such as environmental pollution, viral infections, genetics, and hormones, according to expert research. However, there is no specific definitive cause identified.