1. Soak Astragalus seeds in water and put in a kitchen knife or other iron tools at the same time. Astragalus seeds will spit out sediment, which usually takes 2 to 3 hours.

Put them all in a pot, and then add a little vegetable oil to the water. Part of the water covered with vegetable oil is isolated from the air, and shellfish will feel anoxic in the water. Will stretch the body to breathe, so as to achieve the effect of cleaning. If you want to clean it again, change the water several times, add vegetable oil and vegetable oil in moderation, not too much. Otherwise, they can't breathe in it and suffocate easily.

Fill the basin with water, and then put two chopsticks that are not usually used, in order to prevent the small basket from sinking to the bottom. Finally, put the leaked basket full of astragalus seeds on it for soaking. After 2-3 hours, you will see a lot of dirty things on the pelvic floor. When buying yellow grass seeds, ask the boss for a little sea salt and dissolve it in clear water to create a better taste of sea water.