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Thermal stability is an essential performance indicator for paper used in high-temperature processing, thermal printing and high-temperature storage scenarios. Ordinary paper is extremely sensitive to high-temperature environments. When exposed to continuous high temperature, paper fibers will undergo thermal aging, molecular chain fracture and rapid water loss, resulting in structural shrinkage, surface wrinkling, strength attenuation, yellowing and brittle cracking. Thermal instability will cause thermal printing paper to blur and fade, packaging paper to deform and crack during high-temperature sterilization, and industrial paper to lose protective performance in high-temperature working environments. Traditional anti-aging treatments only adapt to room temperature environment and cannot resist fiber structural damage caused by high-temperature thermal stress, making it difficult to meet the thermal resistance requirements of special industrial paper. Shandong Ludao Energy Technology Co., Ltd. launches paper thermal stability upgrading solutions. By adding high-temperature resistant stabilizing components and optimizing fiber thermal stress resistance structure, we effectively resist high-temperature thermal aging and fiber pyrolysis, maintain stable paper size, strength and surface flatness under continuous high-temperature conditions. The technology adapts to thermal printing, high-temperature sterilization packaging and industrial high-temperature protection scenarios, expands the application range of paper products, and creates differentiated competitive advantages for enterprises.