Beijing Xicheng is responsible for raising pigs and has to go through formalities. To supply to the market, you need approval from relevant departments and go through relevant procedures before you can legally raise pigs. To go through the formal procedures for a farm, you must first apply to the local Animal Husbandry Bureau or Agriculture Bureau. The specific application process should be detailed in the local area. The specific steps vary from region to region.

1. The land and resources department shall conduct land use declarations and approvals involving other new buildings.

2. The documents approved by the land and resources department shall be submitted to the Animal Husbandry Bureau.

3. The Animal Husbandry Bureau, together with the Land Department, the Ministry of Environmental Protection, and the Epidemic Prevention Department, will conduct on-site inspection and approval.

4. The last step is to issue a breeding certificate if the inspection is passed. If the inspection is not passed, the application will be reviewed and approved again.