Tumors are lesions of tissues or organs caused by the abnormal proliferation and differentiation of cells in the body. Tumors are classified into benign tumors and malignant tumors (cancer). Tumors are one of the hottest treatment areas today. Currently, there are 36,000+ oncology drugs under development worldwide. The treatment of tumors involves multiple directions, including targeted therapy, immunotherapy, chemotherapy, ADC therapy, gene therapy, cell therapy, etc.