Alright kiddo, so Chinese drywall is a type of building material that was used in some houses in America from about 2001-2009.
Some people who live in houses with Chinese drywall have reported health issues like headaches, nosebleeds, and coughing.
And not only that, Chinese drywall can also cause damage to things like electrical wiring and air conditioning systems in the house.
This is because it contains high levels of sulfur, which can react with other things in the house and cause corrosion.
Many people have had to spend a lot of money to replace the Chinese drywall in their houses and fix any damage it caused.
Overall, it's just not a very good building material and can cause a lot of problems.