To　obtain　the　laws　of　pedestrians＇　crossing　behaviors,　especially　children,　this　paper　analyzes　the　characteristics　of　four　crossing　behaviors　(crossing　speed,　waiting　time　before　crossing,　naming　across　the　street,　not　looking　before　crossing)　of　three　groups　of　pedestrians　(adults,　adult-child　pairs,　and　children　alone)　at　unsignalized　mid-block　crosswalks.　579　pedestrians　are　recorded.　The　data　are　analyzed　by　mean,　analysis　of　variance　(ANOVA),　and　Chi-Square　test.　The　results　show　that:　1)　pedestrians＇　crossing　speed　on　the　second　half　of　the　crosswalk　is　systematically　faster　than　the　first　half,　2)　children＇s　behaviors　are　influenced　by　adults　and　children　rely　on　their　parents;　3)　children　often　feel　overwhelmed　because　of　the　difficulty　judging　when　and　how　to　cross　the　street.　Children＇s　crossing　behavior　should　be　considered　when　people　plan　and　design　the　crossing　facilities　where　children　may　use　And　it　is　necessary　to　improve　children＇s　skills　of　crossing　street.　(C)　2013　The　Authors.　Published　by　Elsevier　Ltd.