Neck swelling and dizziness are mostly seen in overexertion, hypertension, cervical spondylosis, etc. The causes of neck swelling and dizziness are: 1, long hours of high-intensity work can appear neck swelling, dizziness, often accompanied by limb weakness, soreness and weakness, patients can disappear after rest, usually if a long time should pay attention to rest, do a combination of work and rest, try to avoid heavy physical labor. 2, hypertension is mostly seen in middle-aged and elderly patients, often with a family history of disease, most have excessive salt intake, smoking, drinking alcohol, long-term mental stress, physical inactivity, obesity and other medical history, blood pressure is often higher than 140/90mmHg, in addition to neck swelling, dizziness, dizziness, dizziness. The blood pressure is often higher than 140/90mmHg, in addition to neck swelling, dizziness, headache, panic, chest tightness and other symptoms. 3, cervical spondylosis is mostly seen in patients with long hours of ambulatory work or heavy physical labor, often accompanied by upper limb numbness, shoulder soreness, pain in the back of the occiput, cervical MRI can indicate osteophytes, disc herniation and other lesions.