Regular inspection and assessment for shiplocks by advanced testing technique and analysis approach can effectively prolong the service life of structures. The general process of inspection and assessment for shiplocks is presented, which includes the investigation of structural condition, formulation of inspecting scheme, implementation of field testing, preparation of the inspection report, division of assessment elements,impact factors of verifying calculation, assessment approach and preparation of the evaluation report. Besides, the key technology of inspection and assessment for shiplock structures is expounded.