The headache and dizziness on the second day after drinking are considered to be caused by the hangover reaction, probably due to the fact that the alcohol in the body has not been completely metabolized, resulting in the dysfunction of the central nervous system. The patient can alleviate the symptoms through diet, rest, bath, cold compresses and medication.1. Diet: After a hangover, patients should eat carbohydrates and foods with high protein content, such as milk, millet porridge, etc., which can promote metabolism in the body. It is not recommended to eat foods that are too greasy and thick, which may lead to nausea and vomiting. 2. Rest: Adequate sleep can help patients get rid of hangover discomfort and regain energy. 3. In addition, a few drops of essential oil in the bath water will have a better effect. 4.Cold compress: Wrap ice cubes in a clean towel and put it on the forehead to reduce the blood flow in the head, thus relieving the headache symptoms. 5.Medication: If the pain persists, patients can take pain-relieving drugs under the guidance of doctors to relieve the symptoms, such as aminogest, ibuprofen extended-release capsules and so on. If the pain does not improve after taking medication, it is recommended to consult a doctor at the earliest possible time and have a head CT or MR examination.