How high should the feng shui curtain in the bathroom be hung?

If you want to resolve evil spirits, you can actually use a kind auspicious curtain, which has no specific height. Just look at your resignation. It's actually a cover-up, suggesting that it's unfavorable to ignore the existence of toilets.

What's the use of adding a door curtain in order to eliminate filth and fear that it will be discharged by the toilet door? It is necessary to improve the sewage ventilation equipment outside the toilet.