Increase the handling burden and waste human and financial resources. Waste exists in all groups and fields of society, which has caused great harm to the environment. There is a lot of waste around college students. The consequences of wasting water are: energy is wasted, water resources are exhausted, and many students have the habit of leftovers. The consequences are: insufficient food in poor areas, widening regional disparities, increasing the burden of treatment, and wasting human and financial resources.