Objective: to observe on the effect of injection plaster on distend local blood vessel and abate local pain for patient undergoing intravenous fluids infusiont.

• 观察注射贴在同一病人静脉输液中扩张局部血管和减轻局部疼痛的效果。[方法]观察比较40例静脉输液病人使用注射贴前后局部血管外径值、局部疼痛的变化。