1. Prepare tools. The items needed are syringe barrel, silicone hose and flexible clothes rack. Connect the syringe barrel with the silicone hose, remove the hook, and put a hook at the end.

Looking for a ring. After the ring falls into the sewer from the sink or sink, it will first stay at the U-shaped inverted bend. Open this pipe, and then use a syringe and hose to pump out the sewage, so that you can see the ring.

3. Take it out with a hanger. Hook the ring slowly in the groove made by the prepared hook, and then pull it up slowly.

If the ring falls into a deep sewer, you may need professional salvage tools or seek the help of professional salvage personnel. Before fishing, make sure there is no water flow in the pipeline to prevent the ring from being washed away. If the ring can't be fished out, it is recommended to seek the help of professional jewelry stores or maintenance agencies, who have more professional tools and experience to deal with such problems.

It should be noted that after the ring falls into the sewer, it is necessary to stop using water in time and never rinse it, so as to avoid the ring being washed into a deeper pipeline. After salvaging, it should be cleaned and disinfected in time to keep the ring clean and hygienic.