There are many kinds of scrap iron in daily life.It is a big problem in storage,transportation and smelting in steel mills. Moreover,long-term retention of scrap iron will cause light pollution of the air.There are many ways to dispose of scrap iron.Scrap iron is a surviving resource.Recycling can produce new steel,which can be put into market again and recycled.This can save a lot of resources and protect the earth’s mining resources.Scrap iron can be packaged into massive iron blocks that are convenient for storage,transportation and smelting.