Method and device for unlocking intelligent lock and intelligent lock

The invention provides a method for unlocking an intelligent lock. The method comprises the following steps that S1, fingerprint information of family members are acquired; S2, whether the fingerprintinformation is conformed to the preset fingerprint information of the family members or not is judged, if yes, S3 is entered, and if not, S4 is entered; S3, a spring bolt is bounced, and unlocking isrealized; and S4, locking failure feedback is carried out, and the locking state is kept. The invention further discloses an intelligent lock unlocking device and an intelligent lock. According to the method and device for unlocking the intelligent lock and the intelligent lock, the unlocking is realized by fingerprint comparison, so that manual rotation of a door handle is not needed in the whole unlocking process, and the intelligent lock can be unlocked, automatic unlocking is realized, and the living experience and the safety of the intelligent lock are improved. 本发明提出了种智能锁开锁的方法，包括：S1.获取家庭成员的指纹信息；S2.判断是否与预设的家庭成员的指