Objective To analyze retrospectively maxillofacial injuries with emphasis on facial function after the Wenchuan earthquake in Sichuan province, so as to provide reference on patients’treatment after earthquake. Methods All the 419 patients with maxillofacial injuries after the earthquake were investigated concerning facial function and a database was used to analyze the results. Results A wide variety of functional disturbances was seen among all the 419 patients, such as nerve injury, occlusal disturbance, limitation of mouth opening, diplopia. Limitation of mouth opening was the most vulnerable. Conclusion Functional disturbances resulting from maxillofacial injuries caused by earthquake did not have obvious differentiation from others, and the ratio varies with the kind injuries.