This new type of children's safety door lock is suitable for windows, cabinets, cupboards and other places to prevent children from opening by mistake. The bottom of the lock has double-sided glue, which is easy to paste and stable. Aluminum alloy, surface electroplating zinc alloy, not drop paint, durable. New shape, smooth line, can bend at will, cable distance up to 18cm, with lock head length 23cm. The whole sealing process of the lock body, prolong the service life, and the doors and windows are fit firmly, safe and reliable. Unique locking core, greatly increased the security of the door lock.