With its wide range of application and painless treatment, radiotherapy is playing an increasingly prominent role in the treatment of cancer. SuperAccuracy focuses on the development of innovative accurate radiotherapy systems of photon, electron, proton and neutron. The “Four-Accuracies” radiotherapy technology has been developed, which is composed of accurate planning, accurate positioning, accurate delivery and accurate assessment. Based on this, SuperAccuracy has developed KylinRay series accurate radiotherapy systems, including the first innovative accurate radiotherapy planning system in China, the advanced medical electron linear accelerator, etc. All photon/electron accurate radiotherapy products, such as treatment planning system, medical electron linear accelerator have been approved by National Medical Products Administration of China and applied in many renowned hospitals.