Objective:To evaluate the safety of different sites of intravascular catheterization by central venous puncture in patients of terminal malignant tumors accompanying hypoproteinemia.

Objective: To discuss hospitalization expenses and treatment effect of patients with late malignant disease.

Athouth early stage malignant tumor differs from middle and late in quantity, the determination of the value of electrophysiological balance in static state is difficult to find early malignant tumor.