As society advances, the demands on doctors are becoming higher and higher. Minimally invasive medical technology is a clinical technique that achieves the most perfect diagnosis and treatment effect on diseases through the smallest damage to the human body. The introduction of minimally invasive joint, minimally invasive spine, minimally invasive liver and gallbladder, minimally invasive laparoscopy and other technologies have greatly reduced the trauma and psychological burden of patients, which is conducive to the recovery of diseases and elimination of patients’ mind blow caused by surgery. Minimally invasive dental treatment techniques have also reached rapid development accordingly. The theory of minimally invasive extraction: familiar with the anatomical form of periodontal dentition, design the surgical plan for tooth extraction, evaluate the dislocation tract and the surrounding soft and hard resistance, control the size and direction of force, avoid damage to the surrounding tissues and the conjoined teeth, and consider how to extract the affected tooth with the least force, the least extraction trauma and the shortest time. During extraction, the tooth is first divided and then the minimally invasive extraction instrument is gently inserted around the tooth to be extracted, cutting the interconnected periodontal ligaments and allowing the tooth to be fully loosened and easily removed. Minimally invasive tooth extraction requires painless local anesthesia, pursues the concept of zero percussion and small trauma, and uses various minimally invasive instruments to strictly protect the tissues in the operation area to achieve minimal trauma. Patients are more comfortable during tooth extraction, which makes tooth extraction develop in the direction of minimally invasive, comfortable and humanized.