The bulge of the drip is mostly seen in the infusion needle deviated from the blood vessels, improper puncture, infusion process fluid extravasation, or extraction of the needle when the pressure is improperly caused by local hematoma, local care is very important when this situation occurs, as follows: 1, if the mass is small and no discomfort, no special treatment, can be self-recovery; 2, if the mass is large and painful, local magnesium sulfate to help the absorption of the mass; 3, when the mass is not absorbed for more than 24 hours, the local hot towel can be used to accelerate blood circulation to help the absorption of the mass. 3, when the mass is not absorbed for more than 24 hours, hot towels can be used for local hot compresses to accelerate blood circulation to help the absorption of the mass. 4, static infusion caused by extravasation, in addition to the local appearance of the mass can also appear skin redness, rash, pain, and local skin peeling and necrosis, should immediately stop the infusion, while local treatment, such as the application of sodium chloride injection local flushing, injection, local hydrocortisone given Therefore, when fluid extravasation occurs during infusion, we must pay attention to it and clarify the extravasated drugs and give care measures in combination with the actual situation.