It aims to improve the individual's intellectual performance in specific fields, such as logical reasoning, mathematical operation, spatial perception, language understanding and so on. This kind of training usually includes a series of exercises and activities aimed at training individuals' skills and abilities in specific fields. Through special intellectual training, people can improve their cognitive efficiency and problem-solving ability, thus better coping with complex tasks and challenges. This kind of training can be applied to many fields, such as education, career development, rehabilitation and so on, which is of great significance to improve the individual's intelligence level and professional competitiveness.