ZJU-GaitAcc is the first publicly available dataset of gait acceleration series. It contains the gait acceleration series of 175 subjects. 153 of them are present in 2 sessions, and 22 of them are in only 1 session. For each subject, 6 records are included in one session, where every record contains 5 gait acceleration series simutalneously measured at the the right wrist, left upper arm, right side of pelvis, left thigh, and right ankle, respectively.