Euthanasiaasacriticalissueassociatedwithsocialethics,law,medicine,etc.,causedadebatelastednearlyacentury,althoughnon-governmentalorganizationsallovertheworldstrivedhardtolegalizeeuthanasialegalbutcountriesthatmadeitintolegislationisnumbered.CaseproposedbyWangMingChengabouteuthanasiainChinaalsocausedgreatdebateandwhethereuthanasiashouldbecomelegalhasbecomethefoucus.Fromthedefinitionofeuthanasiaanditsdecriminalizationinlawwithhumanitarianandethicalcharacteristics,wecanseethateuthanasiaisofhighsocialvalue,anditshouldbelegalized.