The 7th International Conference on Combinatorics, Cryptography, Computer Science and Computation was held on November 16-17th 2022 at Iran. These four interconnected play crucial roles in both theoretical and practical applications. Combinatorics studies combinations, permutations, counting problems, and finite set structures, with applications in biology, computer science, and physics. Cryptography focuses on encrypting and decrypting information for security and integrity, protecting data privacy in electronic transactions. Computer science studies computer design, development, and operation, enabling advanced data analysis tools and efficient automation systems. Computation involves calculating or manipulating information, which is essential for software development and applications in data science, artificial intelligence, and cybersecurity. These fields provide a foundation for understanding information nature, security, and the development of cutting-edge digital technologies.