To switch to catering, it is necessary to transform three-phase facilities and install external flue or smoke suppression room, and the original drainage can not meet the use. It is necessary to make a sedimentation tank or prevent oil and electricity. Is the original electric energy enough for use? Finally, it is even more difficult if there are residents in the shop (some local policies clearly stipulate that residents are not allowed to have great opinions). The above four items are related to the landlord, who of course has the right to ban them.