Legal analysis: if a farmer has continuously used the land owned by other farmers' collectives for 20 years, it shall be deemed as owned by the current user; If the land has been used continuously for less than 20 years, or if the owner proposes it to the current user or the relevant department before the expiration of 20 years, the people's government at or above the county level shall determine the land ownership according to the specific circumstances.

Legal basis: "Several Provisions on Determining Land Ownership and Use Right" Article 21 If a peasant collective has continuously used land owned by other peasant collectives for 20 years, it shall be deemed as owned by the current user; If the land has been used continuously for less than 20 years, or if the owner proposes it to the current user or the relevant department before the expiration of 20 years, the people's government at or above the county level shall determine the land ownership according to the specific circumstances.