The aim of the registry is to evaluate Chinese real-World clinical outcomes in patients With AF using the WATCHMAN left Atrial appendage closure technology

Inclusion Criteria:

1. Patient is 18 years of age or above;
2. Patient is eligible for a WATCHMAN device according to current international and local guide-lines and per physician discretion;
3. Patient is willing and capable of providing informed consent to participate in all procedures associated with receiving a WATCHMAN device at an approved clinical investigational center.

Exclusion Criteria:

1. Patient is currently enrolled in another investigational study or registry that would directly interfere with the current study, except when the patient is participating in a mandatory governmental registry, or a purely observational registry with no associated treatments.
2. Patient is a woman of childbearing potential who is, or plans on becoming, pregnant during the duration of follow-up assessments required as part of the WATCHMAN procedure.
3. Patient is unable or not willing to complete follow-up visits and examination as required as part of the WATCHMAN procedure.