Do you need isolation from Shiyan to Anxiang, Hunan?

No need.

Shiyan is a low-risk area, and Anxiang, Hunan is also a low-risk area, so there is no need for isolation. When you enter Anxiang, you need to declare at the first time through the "Return to Hunan" in the "Convenience Service" of Hunan Resident Health Card. If there is a negative nucleic acid test certificate within 48 hours, it needs to be checked twice every 3 days after arriving in Anxiang.

Anxiang, belonging to Changde City, Hunan Province, is located in the northwest of Dongting Lake. It is the north gate of Hunan province, and the county seat is on the fault zone controlled by the surrounding uplift.