Spot　pressure,　as　an　arc　repelling　force,　hinders　the　metal　transfer　process　and　has　a　negative　effect　on　welding　process　stability　in　CO2　gas　shielded　welding.　In　addition,　the　direction　of　the　spot　pressure　changes　uncontrollably　with　the　deflection　of　the　droplet.　Therefore,　it　is　particularly　critical　to　provide　an　additional　force　to　improve　droplet　transfer　characteristics　without　disturbing　the　arc　stability.　To　this　end,　a　new　approach　of　the　pulsed　laser　enhanced　metal　transfer　(PLE-MT)　process　in　CO2　gas　shielded　welding　was　proposed　to　control　metal　transfer　behavior.　The　results　demonstrate　that:　different　from　the　uncontrollable　deflection　of　droplets　caused　by　laser　incident　on　the　solid-liquid　interface　(S-L-I)　of　the　droplet,　the　irradiation　of　solid-state　welding　wire　(S-W)　can　fundamentally　solve　the　droplet　deflection　problem.　The　cut　droplet　can　enter　into　the　molten　pool　smoothly　along　the　axis,　and　the　change　of　the　incident　height　does　not　significantly　change　the　droplet＇s　detachment　velocity.　The　droplet＇s　detachment　time　at　three　different　laser　incident　heights　(0.5,　1,　and　1.5　mm)　remained　almost　unchanged,　all　of　which　were　about　6-8　ms.　When　the　wire　feeding　speed　is　4　m/min　and　the　voltage　is　25　V,　after　laser　irradiation　is　added,　the　metal　transfer　frequency　increases　from　5　to　25　Hz.　The　droplet　transfer　mode　changes　from　SC　transfer　to　spray　transfer,　and　it　avoids　the　short-circuit　spatter.　However,　the　metal　evaporation　mass　produced　by　laser　heating　liquid　droplet　or　welding　wires　is　about　3.5%　of　the　droplet　mass.　Under　the　condition　of　direct　current　electrode　negative　(DCEN),　although　the　melting　efficiency　of　the　wire　can　be　effectively　improved,　the　droplet　will　be　repelled　until　the　arc　is　extinguished,　and　the　stability　of　the　arc　will　also　deteriorate　due　to　the　rise　of　the　arc.　The　irradiation　of　the　pulsed　laser　can　impede　the　climb　of　the　droplet　(cut　off　the　droplet　when　its　size　is　small　before　the　arc　climbs　up),　promote　metal　transfer,　and　improve　the　stability　of　the　welding　process　in　DCEN.　While　expanding　the　process　interval　of　CO2　welding,　an　efficient　spatter-free,　low-pollution　metal　transfer　process　was　obtained　under　a　relatively　small　current　through　the　PLE-CO2　welding　process.