What proof does Taiyuan need to return to Lan County, Lvliang?

No need to prove, as long as it is not in the recent 14 days, returnees inside and outside the middle and high risk area do not need to prove.

According to the requirements of the national epidemic prevention and control policy, people in low-risk areas in the province do not need to prove information or be isolated when returning to other cities in the province.

If you return from outside the province in the last 14 days, you need to submit a negative report of nucleic acid detection within 48 hours and report it three days in advance.