The feeling of dizziness and nausea is related to the following conditions: First, it is a deficiency of cerebral blood supply, especially a posterior circulation ischemia, the patient can appear this kind of dizziness, dizziness, nausea, and in severe cases, vomiting, can check the intracranial segment of the vascular ultrasound, if necessary, can take oral drugs to improve circulation. Second, feeling dizzy and nausea can also be seen in patients with hyperlipidemia. Due to high blood lipids, the blood is sticky and the blood flow is slowed down, so the patient can have dizziness, nausea and poor appetite for food. Thirdly, head dizziness and nausea can also be seen in patients with phlegm-dampness clouding the clear orifices. Chinese medicine says that phlegm-dampness will cloud the clear orifices after poor transportation and transformation, and the patient will feel heavy head like a wrap, which can be accompanied by nausea, drowsiness and weakness of the limbs.