In today's global informatization wave, the swift progress of information technology has not just redefined socio-economic structures but also significantly influenced educational reform and progression. Cloud computing, a gem of this technological era, is increasingly making its presence felt in every educational domain, offering fresh impetus to educational modernization. Particularly in the crucial area of college English instruction, cloud computing's adoption has revolutionized the conventional pedagogical approach. MATLAB simulations demonstrate that when assessed by specific standards, cloud technology's accuracy in designing a college English teaching support platform surpasses traditional methods in terms of reliability and scalability.