In our country, some people who have flat foot have to walk everyday. They do not have normal arch, so their foots will bear too much and feel fatigue easily after walking for a long time. So it is necessary to analyzing foot pressure when they are walking. In this study, ten healthy students without serious lower extremity injuries served as subjects (23.00±2.90 year; 61.80±3.76; 170.30±3.65cm). Foot was divided into external hind-foot (EHF), internal hind-foot (IHF), external mid-foot (EMF), internal mid-foot (IMF), first metatarsal (FM), other metatarsal (OM), great toe (GT) and other toes (OT) areas. EMED-Pedar Foot Pressure Measuring System was used to collect maximum force (MF), peak plantar pressure (PPP), pressure-time integral (PTI) and force-time integral (FTI) parameters when each subject walked in five velocity (70, 90, 110, 130 and 150m.min). In each foot area, one-way ANOVA formula in SPSS 8.0 statistic software was used to compare each parameter in different walking velocity. The results were as follows: 1.EHF、IHF、EMF、IMF、GT and OT were different significantly (P<.05) in different walking velocity. Maximum force (MF) was increased by the increasing of velocity. 2.EHF、IHF、EMF、IMF、FM、OM、OT were different significantly (P<.05) in different walking velocity. Peak plantar pressure (PPP) was increased by the increasing of velocity. 3.EHF、EMF、IMF、FM and OM were different significantly (p<.05) in different walking velocity in PTI. PTI in speed 150m/min was bigger than the value in speed 130m/min. the situation shoed that protection system was in the limitation. 4.EHF、EMF、IMF、FM and OM were different significantly (p<.05) in different walking velocity in FTI.. Internal mid-foot (IMF) absorbed the least energy in the mid-speed.