The Face Recognition Access Control System is an advanced biometric access control system based on advanced face recognition technology combined with sophisticated ID cards and fingerprint recognition technology. This kind of smart door lock is very convenient, as long as the "brush face" can open the door, so everyone still likes to install this kind of face recognition smart door lock. However, the General Administration of Market Supervision issued a consumer warning on the quality and safety of smart door locks. It is said that in the quality and security risk monitoring of smart door locks, it is found that the smart door lock products have higher risks in remote unlocking and face recognition. There are many hidden dangers, and there are also hidden dangers in terms of password logic security, anti-electromagnetic interference, and fingerprint recognition.