Hot application of salt to navel has the effect of warming the middle warmer, dispelling cold and stopping diarrhea. Hot compress with salt can also promote blood circulation and remove blood stasis. Used for people with traumatic injury and blood stasis. It is also used for hot compress and rheumatism. < br>& ltbr & gt This method is effective because it can regulate the function of zang-fu organs by stimulating Shenque point, promote the metabolism of the body, increase the number of white blood cells and red blood cells and the function of phagocytes, thus enhancing human immunity and improving health. For male friends, this can play a role in tonifying the kidney and strengthening the spleen, which is naturally conducive to improving sexual function.