In life, patients suddenly experience dizziness and nausea, and if they are women of childbearing age consider whether they are pregnant. It is recommended that patients go to the hospital for blood tests to clarify whether there is a possibility of pregnancy. Dizziness and nausea can also occur if the patient is under too much pressure from work or study and has poor sleep. It is recommended that the patient rests more, increases the nutrition in the diet and ensures enough sleep. If the patient is old and develops vertigo and nausea, the possibility of vertigo is generally considered. Clinically, it is first recommended that the patient improve the CT or MRI of the head to exclude other lesions in the cranial system. If there is not much problem, it is generally recommended to use drugs to improve circulation and nutrient nerves, the more commonly used ones include Nicergoline tablets and Flunarizine Hydrochloride capsules. If the patient’s vertigo and nausea are very serious, he or she can also be hospitalized for fluid therapy.