1. Rinse the razor clams you bought with clean water first.

2. Prepare a basin of water and add appropriate amount of salt to dissolve. Then, put the washed razor clams into the basin, pay attention to changing the water during the process. After changing the water for the third time, add a drop of oil to the water and stir well.

3. After letting it sit for about 20 to 30 minutes, you will see the razor clams begin to spit out water. After about 2 to 3 hours, the sediment in the razor clam will be spit out. During this period, pay attention to changing the water several times.

4. About an hour after the razor clams spit out water, you can also add a little vinegar to the water. This can kill halophilic bacteria and make eating more hygienic.

5. Take out the razor clams that have vomited out all the sediment, wash them with light salt water several times, wash away the dirt on the shells, control the water, and then use them to make dishes.