How to set the bed in this room, is Feng Shui credible?

Feng shui must be believed.

In your present condition, you can't rely on the kitchen.

Although it is not suitable to rely on the toilet, the lesser of the two evils can be solved by relying on the toilet.

Hang the five emperors' money on the wall, and then put a small dish of salt in the toilet to dissolve the stench in the toilet.