For some clinical symptoms of dizziness and headache that can occur after food poisoning, depending on the severity of the headache it is necessary to visit a hospital, which may be due to toxins in certain foods that cause neuropathic headache. Or the ischemic headache may be caused by a transient ischemic spasm and contracture of the cerebral blood vessels after food poisoning. Or because of insufficient oxygen supply to the body after food poisoning, the lack of oxygen can also cause headache in patients, who need to go to the hospital immediately and apply allopathic treatment to relieve the triggers of food poisoning and treat the headache. For example, emetic and gastric lavage should be given at this time to remove the poisoned poison, in addition to symptomatic antidotes such as vitamin C for injection, furosemide and hydrochlorothiazide, and methylene blue if the food poisoning is caused by nitrite. After treating the poisoning, all the symptoms of headache can be relieved naturally.