It is undeniable that meat manufacturing at the present time is often using more and more land rather than vegetable manufacturing, resulting in some people think that the world will cause shortage issues in terms of the land, and they think that these problems can be solved by the reduction in meat consumption. From my point of view, I believe that the reduction in meat-eating can be taken by several measures, and sometimes it can cause many problems from this reduction. In the following paragraph, the reasons to support my opinion will be outlined in the detail.