The normal cost of electronic laryngoscopy in a tertiary hospital is between 300-601 yuan if only this item is done alone, but the cost of the examination fluctuates from region to region. Many regular hospitals need to do some auxiliary examinations before doing the electronic laryngoscopy, such as blood routine, liver and kidney function, blood sugar, three antibodies and five items of hepatitis B. If you have high blood pressure, you need to do an electrocardiogram. In the process of doing electronic laryngoscopy, there are some patients have nausea, vomiting symptoms, then also need to be equipped with local anesthetic drugs injectable bupivacaine surface anesthesia, the cost is additional.