Feeling tired all the time is related to many factors, such as anemia, low blood pressure, hypothyroidism, chronic nephritis, depression, and neurasthenia. Firstly, high work pressure, lack of sleep or insufficient nutrition lead to neurasthenia, and the organism appears to feel tired. Secondly, pathological factors, common poor sleep, sleep disorders, depression, anxiety disorders, depression, will feel weak and feel tired. In addition, chronic underlying diseases, such as chronic anemia, chronic hepatitis, chronic nephritis, and diabetes, hyperlipidemia, hypotension, cerebrovascular blood supply deficiency, heart failure, and diseases of the lungs, are prone to appear. To find out the specific cause, if it is chronic anemia, the cause of the anemia needs to be addressed, and if it is anxiety or depression, the emotional state needs to be adjusted.