OBJECTIVE: The screening program for developmental dislocation of the hip (DDH) in children aged 0-6 years in Beijing has been officially implemented since June 1, 2009, and the results of the screening program in the past 11 months of implementation are preliminarily analyzed and reported. METHODS: From June 1, 2009 to April 30, 2010, 351 cases, including 136 males and 215 females, aged 7 days to 758 days, were initially screened suspiciously positive by community hospitals or other medical institutions and referred to the DDH-specific screening outpatient clinic of the Department of Orthopedics of Beijing Children’s Hospital. All newborns with Beijing household registration, infants and toddlers were included in the hip dislocation screening program, with screening starting as early as 7 days of birth and later at 42 days, 3 months, 5 months, 8 months and 12 months, respectively. Screeners are qualified as community general practitioners or child health physicians, and the city uses uniform training materials and the same screening process. Highly suspicious cases were subjected to ultrasound (up to 6 months) or X-ray (over 6 months) for definitive diagnosis. Results: Among the 351 suspicious positive cases referred for reasons, 298 cases of dermatoglyphic asymmetry, 164 cases of abduction restriction, 26 cases of limb inequality, 141 cases of dermatoglyphic asymmetry combined with abduction restriction, and 22 cases of dermatoglyphic asymmetry combined with limb inequality. The final diagnosis of DDH was confirmed in 43 cases, including 1 case of hip dislocation diagnosed by outside hospital, 14 cases of hip dysplasia (type IIa) diagnosed by ultrasound in our hospital, 8 cases of hip dysplasia (type IIb), 0 cases of hip subluxation, 3 cases of hip dislocation, 1 case of left hip subluxation (type IIb) and 1 case of right hip subluxation; the diagnosis of hip dysplasia by pelvic orthopantomogram was 14 cases, hip subluxation, 1 case, and hip dislocation, 1 case. The smallest case was found at 42 days and the largest case was found at 469 days. There were 10 male cases and 33 female cases, with more women than men. There were 20 cases of left hip, 19 cases of right hip, and 4 cases of double hip, with the left side being the most common. There were 4 cases with a history of leg binding, 2 cases with myelomeningocele, 1 case with bipedal exstrophy, 2 cases with nasolacrimal duct obstruction, and 1 case with phenylketonuria. There were 21 cases of cesarean section, 21 cases of normal delivery, and 1 case of difficult delivery to cesarean section; 41 cases were in head position and 2 cases were in breech position. Among them, 4 cases were treated outside the hospital, and 6 cases of suspected hip dysplasia were followed up and observed; 19 cases were treated with Pavlik slings for children within 6 months of diagnosis, 2 cases were cured and 2 cases were converted to abduction brace treatment, and the rest were still under observation and follow-up; 12 cases were treated with abduction brace for children between 6 months and 1.5 years of age with hip dysplasia diagnosis, 1 case was cured and the rest were still under observation and follow-up; 6 months to 1.5 years of age with hip dysplasia diagnosis, 1 case was cured and the rest were still under observation and follow-up. Among the children diagnosed with hip subluxation or total subluxation from 6 months to 1.5 years old, 2 cases were treated with closed manipulation and plaster fixation, 1 case was cured, and the other case was under treatment. Conclusion: The Beijing Newborn Developmental Hip Dislocation Screening Program is a practical project for the people, which has been welcomed by the general public for one year since its implementation, and also provides an effective method for early diagnosis and early treatment of DDH, basically realizing early diagnosis and early treatment of DDH.