What does the traffic sign with a blue background and a red fork mean?

A traffic sign with a blue and red cross at the bottom means no parking. No parking signs are usually placed on crowded road sections, allowing vehicles to stop temporarily, but it is forbidden to stop for a long time to affect traffic. No parking is a red circle with a red cross on a blue background. No parking on the whole line. Long-term non-stop is a red circle with a red diagonal line on a blue background. However, because the two signs have the same shape and background color, it is easy to confuse long-term non-stop and non-stop. Not stopping is very similar to not stopping for a long time. One has an X in it and the other has an X in it. These two signs are the most common on the roadside, but they are easily confused, so they should be distinguished to some extent. No parking in a limited area. All vehicles are not allowed to park temporarily or for a long time. It is forbidden to stop for a long time for temporary parking. You must obey the traffic rules when driving. When parking, you should distinguish whether you can park. Don't block the traffic and affect others' travel.