The results of 4-time comparisons on absolute gravimeter measurements from Crustal Movement Observation Network of China(CMONOC)during 2010 and 2018 are introduced in this paper. The maximum systematic deviations of 4-time comparisons are 3.5μGal,1.7μGal,4.3μGal,3.8μGal(1μGal=10^-8m/s²),and the difference between the gravimeters are 0～5.5μGal,0.3～3.2μGal,0～3.4μGal,1.1～7.0μGal,respectively. The results show that the errors of the absolute gravity measurements in the comparisons are superior to 5μGal. The absolute gravimeters are stable and there are no obvious systematic deviations among instruments,which satisfies the designed requirements of absolute gravity measurements of Crustal Movement Observation Network of China.