Laser cladding remanufacturing technology has been widely used in parts repair for decades. When applied, the cladding layer is prone to uneven formation and produce defects such as pores and cracks. The quality of the cladding layer directly affects the repair effect of parts. Therefore, effective control of the quality of the cladding layer is the key to the application of this technology. The quality evaluation methods based on the cross-section morphology, dilution rate and heat-affected zone width of the cladding layer are analyzed. The quality monitoring technology based on image and temperature and so on as monitoring signals is introduced. The adaptive control systems is reviewed, and then the basis for the improvement of the forming quality of the cladding layer is provided based on the current research progress.