Abstract: Appropriate activities are beneficial to the health of pregnant women and fetuses, and walking is one of the simplest and safest ways to exercise. However, pregnant mothers are advised not to go for a walk in the following places to avoid adverse consequences. Appropriate and frequent activities are beneficial to the health of pregnant women and fetuses, and walking is one of the simplest and safest ways to exercise. However, pregnant mothers are advised not to go for a walk in the following places to avoid adverse consequences. The city center mainly refers to the prosperous areas, markets, open-air squares and other places in the urban area. The air in these places