Abstract: Objective To investigate the relationship of different obesity types with bone density and grip strength. Methods Totally 1026 participants undergoing health check-up in the First Medical Center of Chinese PLA General Hospital were included in the analysis.Obesity was defined according to body mass index （BMI≥24.0 kg/m²） and waist circumstance （WC≥90 cm in male or≥85 cm in female）,and then the sample was divided into non-obese,peripheral obese,central obese,peripheral and central obese groups.Bone mineral density （BMD） was measured by medix 90 X-ray dual energy bone densitometer,and grip strength was measured by CAMRY EH101 grip strength meter.Both of the two indicators were compared between the different obesity groups. Results There were 537 males and 489 females with the mean age of 50.06 years.The mean BMI was 24.29 kg/m² and the mean waist circumference was 83.83 cm.The mean value of grip strength was 32.90 kg,and the median value of T and Z values of BMD were-1.03 and-0.51,respectively.Grip strength were significantly correlated with BMI and WC （r=0.437 and 0.501,respectively）,but BMD almost had no relationship with BMI and WC.Stratified by BMI,people in the overweight and obese group had significantly higher grip strength （30.19±8.43kg vs 35.13±9.89kg,P<0.001）,similar BMD T value and BMD Z value （P>0.05）.Stratified by WC,people in the central obese group had significantly higher BMD T value （Md:1.34 vs 0.92,P<0.01） and grip strengh （35.16±9.97kg vs 31.51±9.06kg,P<0.001）.Stratified by both BMI and WC,people in the central obese group had the lowest grip strength （30.16±8.45kg vs 30.78±8.25kg,34.50±9.64kg,35.48±10.01kg）,BMD T value （Md:-2.03 vs -0.92,-0.93,-1.26） and BMD Z value （Md:-1.19 vs -0.56,-0.38,-0.50） compared with the non-obese group,the peripheral obese group and the central and peripheral obese group （P<0.05,respectively）. Conclusion Central obesity has greater impact on BMD and grip strength.