It is not recommended to go home with family members after Iodine 131 treatment. Since Iodine 131 is slightly radioactive, it is not recommended to go home with family members. If you need to go home with your family members, you should keep a proper distance from them and stay away from pregnant women and children as far as possible on the way home. 1. Keeping a distance from family members: After Iodine 131, it is necessary to adopt home isolation as far as possible. You should try to keep a distance of 3 to 5 meters from your family, and depending on the dose of the drug used, you generally need to keep a distance of about two weeks. 2. Keeping a distance from pregnant women and children on the way home: If there are pregnant women and children at home, they should keep a distance from them as much as possible and prohibit close contact. After doing iodine 131 should ask the professional doctor about the precautions, so as not to cause family members to be jeopardized.