The periorbital soft tissue gap of the eye is lax, so when the eye is bruised later, increased local exudation will lead to swelling and swelling of the eye is obvious. The main reason for the swelling of the eye is the following: 1. Within 24 hours of the injury, a cold compress of cold water towel can be applied to promote the contraction of the ruptured blood vessels and reduce the swelling of blood stasis. The first thing you need to do is to go to the ophthalmology department or emergency surgery department and have a cranial CT examination to rule out any periorbital fractures and substantive injuries such as eye contents. If periorbital fractures and substantial injuries are ruled out, simple soft tissue swelling can generally dissipate in 5-7 days after the injury. If other injuries are present, symptomatic management is required.