This method is applicable for determining the frost resistance of concrete specimens under water-freezing and thawing conditions, expressed as the number of rapid freezing-thawing cycles they can withstand. The NELD-FC810 concrete rapid freezing-thawing tester developed by Beijing Naideli Co., Ltd. has been confirmed to have high reliability through long-term use by customers. It provides crucial quality assurance for testing the long-term and durability performance of concrete, and can meet the needs of research institutions, colleges and universities, design, construction, and quality inspection departments in the relevant industries for rapid concrete frost resistance testing.