People who have a history of throat disease know that the throat is small and deep, with complex structure and hidden onset, and the disease is often not taken seriously at the beginning, often relying on clinical symptoms for diagnosis, and symptomatic treatment, which can easily become chronic and may even develop into malignant. Traditional treatment is difficult, the surgical field of view is limited, the patient bleeds a lot, the pain is great, and some surgeries require external incisions, which will leave scars and affect the aesthetics, and the best time for treatment may be lost, leaving lifelong pain and regret for patients and their families. The advantages of minimally invasive laryngeal surgery equipment include: 1. clear surgical field, less bleeding; 2. accurate and complete resection, preserving normal function; 3. small trauma, no neck incision and tracheotomy, fast recovery; 4. easy to cooperate with assistants and shorten surgery time; 5. Electrocoagulation, laser, microwave, radiofrequency, laryngeal power minimally invasive system, etc. can be used as needed. The characteristics of the treatment are: the traditional radical or destructive surgery is transformed into early and complete removal of lesions.