1, the clams will be put into the thick salt water, clams will automatically spit sand, usually 2-3 hours can be spit clean, if you are worried that the clams did not spit sand clean, can be placed overnight.

2, clams belong to shellfish, the shape of a triangle, with a hard shell, because clams grow in rivers and lakes in the sand at the bottom, many clams contain a lot of sand in the shell, the clams caught on the shore, you need to let the clams spit out the sand before eating, otherwise it will affect the taste.

3, strong salt water will have a strong stimulation of clams, clams will be put into strong salt water, it will not be able to bear the stimulation began to spit sand, as long as to wait for a period of time, the clams will be spit out the sand.

4. In addition to this method, you can also put a kitchen knife or a rusty iron in the water, and the clams will also spit out the sand, and when the clams spit out the sand, you can make it into a delicious dish.