The depth of drawers and cabinets should match, and the sliding rails should be installed firmly, with uniform size and free sliding; The barrel body and door leaf edge of wood-based panel should be sealed; Screws shall be leveled and tightened, and there shall be no deviation, outcrop or slippage; The periphery of the glass door is wrapped, the glass thickness is not less than 5 mm, and it is connected evenly and firmly with the cabinet; The installation of connectors shall be complete, tight, correct and firm, and there shall be no stubble collapse, looseness, nail piercing, inverted nail, bent nail and floating nail at the joint, and there shall be no missing parts or missing parts; Hinge, beads and other opening and closing accessories are firmly installed and flexible to use; The gap between the door leaf and the cabinet body is consistent, and the height of adjacent door leaves is consistent. When installing the bottom cabinet, the horizontal knob should be adjusted first to ensure that the table top and front of each cabinet are on the same horizontal plane. The two cabinets are connected with wood screws, and the back plate is connected with the pipeline. Tables, valves, etc. Punching holes should be made on the back plate to avoid relevant equipment, and the edges of holes should not be serrated. Plastic round pad should be added at the drain hole of the bottom plate of the washing cabinet, and the joint of the drain pipe should be watertight, and all kinds of adhesives should not be used to connect the interface parts. When installing stainless steel sink, mark and slot the table according to the model and size of the sink. The joint between the sink and the desktop should be clamped and leveled with prepared hanging screws, and the edge should be sealed with sealant to ensure that the joint gap between the sink and the desktop is even and watertight.