Chlorinated　volatile　organic　compounds　(VOCs),　of　which　dichloromethane　(DCM)　has　become　one　of　the　main　components　because　of　its　extensive　use　and　strong　volatility,　are　recognized　as　extremely　hazardous　and　refractory　pollutants　in　the　atmosphere.　The　efficient　treatment　of　DCM　is　of　great　significance　to　the　protection　of　environment　and　human　health.　In　this　work,　the　strategy　of　DCM　capture　with　deep　eutectic　solvents　(DESs)　with　different　hydrogen　bond　acceptors　(HBAs)　and　hydrogen　bond　donors　(HBDs)　was　proposed　and　systematically　investigated.　The　experimental　results　show　that　tetrabutylphosphonium　chloride:　levulinic　acid　([P-4444][Cl]-LEV)　presents　the　most　excellent　DCM　absorption　capacity　among　all　DESs　studied　and　considerable　capacity　in　[P-4444][Cl]-LEV　(1:2)　with　899　mg　DCM/g　DES　(5.58　mol　DCM/mol　DES)　at　30　degrees　C　and　DCM　partial　pressure　of　0.3　bar　can　be　achieved.　The　microscopic　absorption　mechanism　is　explored　by　(HNMR)-H-1　and　FT-IR　spectra　as　well　as　quantum　chemistry　calculations,　indicating　that　the　absorption　is　a　physical　process.　The　interaction　energy　analysis　suggests　that　the　greater　the　interaction　energy　between　DES　and　DCM,　the　greater　the　saturated　absorption　capacity　of　DCM.　The　hydrogen　bond　(HB)　contributes　most　to　the　weak　interaction　between　DCM　and　HBA/HBD,　and　both　HBA　and　HBD　play　an　important　role　in　the　absorption　of　DCM.