The life expectancy of lupus erythematosus encephalopathy is usually more than 10 years, and some patients can even survive for 20 to 40 years, but the life expectancy of the patients may not reach 10 years if they are old at the base of the disease and have serious complications such as cerebral infarction, etc. However, the exact life expectancy needs to be judged according to the patient’s age and the severity of the disease. However, the specific life expectancy needs to be judged according to the patient’s age and the severity of the disease, and there is no definite time limit for survival. If the patient is young and has mild mental symptoms, fewer convulsions and transient ischemic attacks, and does not have severe cerebral infarction or cerebral neuropathy, through early intervention and standardized immunosuppressive treatments, the patient’s survival rate is still relatively high, and the general life expectancy can reach more than 10 years, with some patients even able to survive for 20 to 40 years. If the patient has a higher basal age and has severe cerebral infarction, cerebral neuropathy and seizures, the survival rate is lower and may not reach 10 years of life expectancy. In addition, patients who suffer from severe underlying diseases can also have an impact on life expectancy. The survival rate of patients with lupus erythematosus encephalopathy also needs to be judged according to the severity of the patient’s condition. If there is any relevant discomfort, it is recommended that the patient should go to the hospital in time, follow the doctor’s instructions to standardize the diagnosis and treatment, and follow up on a regular basis.