Objective To analyze the injury characteristics and the rescue process and effects for the victims admitted in the People’s Hospital of Deyang City within 72 hours after 4.20 Lushan earthquake, so as to discuss how to adopt the emergency program to implement medical rescue in disaster relief. Methods The data of 25 earthquake victims admitted in the hospital from April 20th, 2013 to April 23rd, 2013 were collected to analyze age, gender, the location of injury, the injury state of different age groups, and the prognosis of victims. Results Of the 25 victims with injuries on 32 locations of the body, there were 20 cases with single injury (80.00%) and 5 cases with multiple injuries (20.00%). Most injuries were seen in four limbs, body surface, and soft tissues; and the incidence of single injury was higher than that of multiple injuries. The number of admitted victims was largest on the first day after earthquake, accounted for 92.00%, which was obviously higher than that on the second and the third day. Victims aged from 19 to 45 years old was more than those of other ages. Conclusion Scientific emergency command system and disaster emergency program play an high-efficient command role in disaster rescue, shorten the time of emergency response, and improve the ability of disaster rescue. The comprehensive capacity of self-rescue and well-organized rescue for disaster area can be improved as long as the general public is educated about the disaster emergency program and cooperative emergency drill. Meanwhile, smooth traffic and unobstructed communication are guaranteed in the disaster area, and the cooperative efforts are made by all walks of society.