1. First check the vmID of the virtual machine that needs to be deleted
root@matchpve02:~# qm list
VMID NAME STATUS MEM(MB) BOOTDISK(GB) PID
10010 Centos01 stopped 1024 6.00 0
2. Use the qm management command to delete the virtual machine
qm destory vmID --> qm destory 10010
3. Check whether the configuration file is deleted, if it is not deleted, manually rm delete
ls /etc/pve/qemu-server/
4. Check whether the virtual machine disk file is deleted, if it is not deleted, delete it manually with rm
ls /dev/ZFS/
//ZFS: Fill in your own storage name here