Artificial Intelligence (AI) is transforming traditional security systems into intelligent, adaptive solutions, especially in the field of smart locks. AI-powered smart locks combine biometric recognition, real-time monitoring, and advanced data analysis to enhance both security and convenience. These systems eliminate the need for physical keys and introduce features such as facial recognition, fingerprint identification, and remote access control. With the rapid growth of the AI smart lock market and increasing adoption of smart home technologies, AI is becoming a critical component in modern access control systems. This article explores how AI is applied in smart locks, its benefits, key technologies, and future trends shaping the industry.