Pedestrian　traffic　plays　an　important　role　in　urban　traffic　system,　research　on　mixed　traffic,　capacity　and　delay　of　intersections　can　never　be　complete　without　the　consideration　of　pedestrian　traffic.　Pedestrian　walks　freely　at　all　directions,　as　a　result,　data　collection　is　difficult　for　pedestrian　research.　Based　on　pedestrian　traffic,　this　paper　discussed　the　ways　of　pedestrian　data　collection.　From　three　aspects　of　particularity,　diversity　and　continuity,　this　paper　discussed　applicability　of　various　data-collection　methods,　and　analyzed　manual　method,　GPS　observing　method　and　video　observing　method.　It　is　significant　for　pedestrian　traffic.