Temperature　distribution　on　the　surface　of　a　membrane　electrode　assembly　(MEA)　significantly　influences　the　performance,　lifetime,　and　reliability　of　proton　exchange　membrane　fuel　cells　(PEMFCs).　Entire　temperature　fields　on　the　surface　of　an　MEA　anode　side　under　an　interdigitated　flow　field　are　experimentally　measured　at　non-humidification　conditions　with　a　self-designed　PEMFC　and　infrared　imaging　technology.　The　highest　temperature　on　the　surface　of　the　MEA　anode　side　appears　in　the　bottom　bordered　two　side　channels,　and　the　lowest　temperature　exists　in　the　area　closed　to　the　inlet　of　the　middle　channel.　The　hot　region　on　the　surface　of　the　MEA　anode　side　is　easy　to　locate　in　the　infrared　temperature　image.　The　reason　for　the　temperature　distribution　under　the　interdigitated　flow　field　is　analyzed.　The　temperature　of　the　MEA,　the　non-uniformity　of　temperature　distribution　on　the　surface　of　the　MEA　anode　side,　and　the　fuel　cell　temperature　increase　with　the　loaded　current　density.　(C)　2014　Elsevier　B.V.　All　rights　reserved.