This 
If you have that base, you can use HomeKit devices with HE. If you’re new to home automation, building up your device list can get quite expensive. But now that the Xiaomi Aqara hub and the latest Xiaomi Mijia Multimode Gateway support HomeKit for many of their excellent, tiny and very well designed devices, you can take advantage of building the low cost and build a very stable smart home setup.
Joining Xiaomi devices directly to HE is a hit and miss scenario and can be very disappointing, but joining them to a Xiaomi gateway and then bridging that through HomeKit is incredibly reliable.
