A headache nausea and vomiting usually consider migraine, increased intracranial pressure, sinusitis, cold and other conditions. 1. Migraine: Migraine often occurs in young and middle-aged people, is a kind of disease with recurrent headache as the main clinical manifestation. The headache is mostly lateralized and may be accompanied by nausea and vomiting. Light and sound stimulation or daily activities can aggravate the headache, and a quiet environment and rest can relieve the headache. 2. Increased intracranial pressure: common clinical causes include intracranial infection, intracranial tumor, etc., which can manifest as dull headache and nausea and vomiting. 3. Sinusitis: often accompanied by poor nasal ventilation and yellow pus flow. The headache is mainly in the forehead, mostly due to the accumulation of pus in the sinuses which can’t be discharged, and may be accompanied by nausea. 4. Cold and flu: often accompanied by cold (cold) fever, sneezing, etc., may also lead to headache and nausea symptoms. The symptoms of headache and nausea, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to clarify the cause of the symptomatic treatment.