Many people today lament how there are now so many different diseases, some of which they have never even heard of. Smoke sickness was very rare in the past, but in recent years it has become more and more frequent. Many people initially just dizziness and headache, but they do not pay much attention to it, thinking that it is caused by their lack of rest. As a result, as the condition develops and worsens, they go to the hospital for a checkup only to learn that they have such a disease. Smoky disease is a tricky cerebrovascular disease that can induce serious conditions such as cerebral infarction and cerebral hemorrhage if not treated in a timely manner, which is something that every patient should pay attention to. Once you are told that you have this disease, it is important to take early treatment measures. Medication is the first treatment for many patients, but it is obvious that medication for smog can only provide a short-lived relief without long-term effect, especially for those patients with severe disease, relying on medication alone is simply not feasible. For better treatment of smog, surgery is the way to go. What tests should be done before surgery for smog? Before having a smog surgery, it is necessary to do some tests to make a better plan for the surgery and to ensure the safety and smoothness of the surgery. Generally speaking, angiography, cardiopulmonary function tests, blood tests, etc. are required before having smog surgery. The patient must choose a regular professional hospital to do the surgery, so as to better ensure the surgical results.