Pulmonary Embolism Simulator (PEsim) is a specialized training platform designed for endovascular procedures related to pulmonary embolism management. It focuses on developing clinical expertise in treating lung-related vascular blockages through advanced catheter-based interventions. The simulator features a multimodality material design, enabling realistic simulations of various tissue responses, vessel elasticity, and dynamic blood flow. This allows clinicians to practice catheter navigation, clot retrieval, thrombolysis, and stent deployment with lifelike feedback, closely replicating real-life pulmonary embolism procedures. PEsim supports multi-level training for both beginners and advanced practitioners. New learners can master essential skills such as catheter handling and guidewire control, while experienced clinicians can rehearse complex interventions. Customizable training scenarios enable tailored learning experiences based on clinical needs, patient-specific anatomy, or specific institutional protocols. In summary, PEsim is a versatile, high-fidelity training tool designed for pulmonary embolism interventions, offering a unique combination of multimodality material technology, realistic anatomical modeling, and scalable training features. Its specialized design improves clinical proficiency, enhances patient safety, and supports advanced skill development for life-saving pulmonary embolism treatments.