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We present weakly interacting massive particles (WIMPs) search resultsperformed using two approaches of effective field theory from the China DarkMatter Experiment (CDEX), based on the data from both CDEX-1B and CDEX-10stages. In the nonrelativistic effective field theory approach, bothtime-integrated and annual modulation analyses were used to set new limits forthe coupling of WIMP-nucleon effective operators at 90% confidence level (C.L.)and improve over the current bounds in the low $m_{\chi}$ region. In the chiraleffective field theory approach, data from CDEX-10 were used to set an upperlimit on WIMP-pion coupling at 90% C.L. We for the first time extended thelimit to the $m_{\chi}<$ 6 GeV/$c^2$ region.

First experimental constraints on WIMP couplings in the effective field theory framework from CDEX