Method 1: In fact, you can find a half-inch wide bamboo stick into the toilet to dredge can solve the problem, but be careful not to break the bamboo in the toilet.
Method 2: Many times the toilet is flooded with water, and it will open itself, especially if it is soluble or collapsible items such as soil, tea, and paper towels. If it is greasy, then pour a basin of 100°C boiling water to melt it.
Method 3: Buy caustic soda, boil water to melt the caustic soda, pour it into the toilet. It'll all work out in a few minutes.
Because the wall row has more elbows, it increases the drainage resistance, so it uses 135 degree Angle bending instead of 90 degree Angle bending on the elbow selection to reduce the resistance of Angle bending!