Buy a 2-meter pipe unclogger from a street stall. Make some bends 2 centimeters from the head of the unclogger. Turn on the water, insert the unclogger into the water outlet, shake it while pushing it inward. Then insert the unclogger into the water inlet, keep the water running, and continue pushing it in while shaking. Repeat this several times, and it should resolve the clog!
In the future, you should unclog the toilet once every week as preventive maintenance. If you call a plumber, they will first use manual methods. Do not pour additional water into the toilet; you can also surround the toilet bowl with a barrier to prevent water splashing. Of course, properly store other items nearby. Additionally, ensure the unclogging is completed in a short time—otherwise, the odor will become strong.
Find an iron wire with a diameter of 0.5-1 millimeter and a length of 3-4 meters. Fold it in half from the middle, then twist the two halves into a single strand. On the end where the two wires are twisted together, bend the two free ends in opposite directions. Insert this twisted end into the sewer pipe, hold the other end, and guide the wire inward while twisting gently...