Headache, nausea is a very common condition, may be caused by lack of sleep or intake of caffeine and other more, can not be ruled out is caused by pathological factors, such as upper respiratory tract infections, gastrointestinal diseases, etc., the specific analysis is as follows: a. Physiological factors 1, lack of sleep: often stay up late, the brain can not relax, the nerves are in a tired, tense state, in addition to causing headaches, nausea, too much time will lead to endocrine Disorders, memory loss. For patients with headaches and nausea caused by lack of sleep can be adjusted by adjusting their daily routine to ensure normal sleep every day; 2, dietary problems: often drink coffee, strong tea, etc., too much caffeine intake, or a state of drunken tea, will also manifest as headaches, nausea, some patients are mentally excited, insomnia. Other patients are addicted to alcohol, the body alcohol concentration is too high, can not be properly metabolized and discharged triggering headaches, nausea. Develop good eating habits, try to drink less strong tea, coffee and other beverages, and do not drink at night before going to bed. For headache and nausea caused by drinking too much alcohol, you should first induce vomiting or gastric lavage to reduce the body’s absorption of alcohol, pay attention to whether there are signs of alcohol poisoning, and seek medical attention in a timely manner. Second, pathological factors 1, upper respiratory tract infection: upper respiratory tract patients often have fever symptoms, fever is likely to cause headache, nausea and other conditions, should be timely cooling treatment, anti-infective drugs can be taken to treat, such as roxithromycin, azithromycin dispersible tablets, etc.; 2, gastrointestinal tract diseases: such as chronic gastritis, intestinal infections, etc., will appear nausea symptoms, some patients are accompanied by headache phenomenon, the symptoms are mild can take The less severe symptoms can be treated with anti-inflammatory drugs, while paying attention to a light diet, and those with serious symptoms should seek medical attention and use anti-inflammatory drugs and drugs to improve gastrointestinal flora; 3. The headache caused by intracranial infection is often accompanied by high fever, and the headache caused by intracranial hemorrhage is usually accompanied by increased intracranial pressure, etc. Therefore, the headache caused by neurological diseases needs to be treated according to its accompanying symptoms, such as intracranial hemorrhage, which requires the application of diuretics to reduce cranial pressure, and intracranial infection, which requires anti-infection treatment. In the case of hypertensive encephalopathy, blood pressure should be slowly lowered, etc. Patients with frequent headaches and nausea should not only take medication as prescribed by the doctor, but also develop scientific habits, such as not drinking or smoking, avoiding late nights and straining, and avoiding emotional excitement.