Is there any problem with the toilet being higher than the living room?

If the bathroom floor is high, water will flow turbulently. The bathroom is a place where people wash, and it is also the place with the most water. If the bathroom floor is high, water will flow out of the bathroom and stay in the living room, affecting the home. Hygiene, there will also be certain safety hazards. It may also have an impact on the downstairs and cause unnecessary trouble.