Select the first cut and copy preference in preferences, and this interface will pop up.
Just make this setting. Then open Word, double-click the formula to be copied, select the formula and press Crtl+C, then press Ctrl+V to paste it into mathtype, then select the copied formula in mathtype and press Crtl+C, then it will be converted into Latex code in the editor and then pasted into Winedit.