Clear aligner treatment planning is a critical component of contemporary orthodontic practice, combining digital technology, biomechanical principles, and individualized patient assessment to achieve predictable tooth movement and optimal treatment outcomes. The process begins with comprehensive diagnosis and evaluation, including clinical examination, intraoral scanning, radiographic analysis, and assessment of skeletal and dental relationships. Advanced digital software enables three-dimensional visualization of dentition, virtual treatment simulation, and sequential planning of tooth movements. Effective treatment planning requires consideration of factors such as malocclusion type, periodontal health, patient compliance, attachment design, interproximal reduction, and anchorage requirements. The integration of digital workflows allows clinicians to predict treatment outcomes, monitor progress, and make necessary modifications throughout therapy. Artificial intelligence and computer-aided design technologies further enhance the accuracy and efficiency of aligner fabrication and treatment prediction. Although clear aligners offer significant advantages in aesthetics, comfort, and oral hygiene maintenance, successful outcomes depend on meticulous treatment planning and adherence to biomechanical principles. Continuous advancements in digital orthodontics are expanding the scope and effectiveness of clear aligner therapy, making it a highly effective treatment modality for a wide range of orthodontic conditions.