Tonsillectomy and adenoids scraping are common surgeries in pediatric otolaryngology. The traditional tonsil surgery method has two major problems: bleeding and pain, while the traditional adenoids scraping is often not clean, especially for the part protruding into the posterior nostril, intraoperative bleeding is difficult to handle, and recurrence is easy after surgery. Minimally invasive plasma technology is an emerging surgical method in China in recent years. Its working principle is that high-speed charged particles of plasma directly break molecular bonds and vaporize tissues to achieve the effect of cutting and ablation. Its advantages are less intraoperative bleeding and less postoperative pain, solving two major problems of traditional tonsil surgery. Plasma surgery is performed under direct vision, which also allows for complete ablation of adenoid tissue protruding into the posterior nostril, reducing the postoperative recurrence rate and providing timely and complete hemostasis of bleeding areas. Since the important structures of the pharynx are in the field of view, it avoids the blindness of the operation, reduces the collateral damage of the operation, and prevents serious complications such as poor palatopharyngeal closure, nasopharyngeal stenosis, adhesions, etc. Compared to common radiofrequency, laser and microwave methods, plasma surgery has a lower operating temperature, a shallower depth of tissue penetration and less trauma to surrounding tissues. In addition, plasma technology can also play an ablative and hemostatic effect on tongue and throat tumor surgeries, such as sleep apnea syndrome (snoring), pharyngeal papilloma, congenital epiglottic cyst, etc. It can be widely used in otorhinolaryngology head and neck surgeries. Since November 2007, our department has been carrying out plasma minimally invasive treatment technology surgery and has treated nearly 100 patients with satisfactory surgical results, which are well received by patients.