The best order is1; Old kitchen cabinets should be destroyed; Water, electricity and heating pipes should be improved (concealed works must have drawings or video materials to deal with problems in the future); Walls and tiles should be resurfaced; And take a breath (national regulations must be clear). You can't take the dark line to ensure its safety and convenience for inspection. ) 5. Install gas water heater, 6. Install a new kitchen cabinet (know the size of range hood and lighter in advance and buy a sink in advance to send it to the cabinet manufacturer for matching) 7. Install the range hood. This is the whole process.