On the one hand, it depends on the grinding quality of garbage disposal, on the other hand, it depends on the structure of sewer. If the sewer does not bend upward, it will not be blocked. It is very important to choose a good quality garbage disposal. My family's Aishiyi food waste disposer was invented by his founder. It is an 80-year-old brand, occupying 80% market share. Now in China, more and more families are using this processor, and Ai Shiyi's product is the only one imported from the United States.