The sandwich wood you mentioned, whose scientific name is divided wood, is also called divided wood, which is the inner diaphragm of walnut seeds and can be taken in decoction or soaked in water.

The effect of distraction wood: it can be used to treat kidney-strengthening and astringent semen, and it has a very good effect on gonorrhea and hematuria; It has the effect of strengthening the spleen and strengthening the kidney, which is very good for the regulation of our body; It has diuretic and heat-clearing effects, and has obvious therapeutic effect on the symptoms of diarrhea caused by summer heat; It also has a certain effect on the treatment of nephritis; It is good news for deaf people. It can treat deafness and make patients hear the outside world.

Side effects of distraction: the side effects are very small and can be ignored. Occasionally, there will be some adverse reactions, such as nausea and chest tightness, which will be better after a while.