Patients will appear dizzy after smoking and drinking tea, mainly consider the following causes: 1, nicotine and tar in cigarettes, theophylline in tea, this type of substance will lead to cerebrovascular cervical canal, prone to symptoms of dizziness. This situation is mainly seen in a large number of smoking, as well as drinking strong tea after easy to appear. However, it also has a certain relationship with the individual’s constitution; 2, when patients smoke and drink tea, smoking will lead to a decrease in the patient’s ability to combine oxygen with hemoglobin, the patient will have insufficient blood supply to the brain and will show symptoms of dizziness; 3, patients smoking and drinking tea dizziness, mainly seen in long-term smoking patients are prone to appear, because long-term smoking will lead to cerebral arteriosclerosis, more likely to induce patients to appear dizziness symptoms.