This method is the user’s personal experience, it is said to be particularly good effect on lumbar disc herniation caused by lumbar leg pain, the elderly more or less will have some back pain leg pain, see the students may wish to tell their parents or elders this method, this therapy, no side effects, even for normal people, can also be used as health care. Here to see the specific practice 1, prepare coarse salt, ginger cut into slices, onion with a beard together, a cloth bag containing salt (this below is made of towels, breathable). 2, the edges are sewn together, turned over into a cloth bag. 3, the ginger and onion slices, salt can be repeated, ginger can be repeated twice, onion discarded after use, the next time with a new one. 4, salt, put into a pan and fry until snapped, about take 10 minutes, pour on the ginger and scallion slices, then pick out the ginger and scallion slices, put the salt into a cloth bag, you can hot compress. If you have a microwave oven at home, it is much less work, the temperature is low for 5 minutes and can be heated at any time, then the ginger and onion slices are directly put into the bag with the salt and then put in the microwave oven to heat, and then take out the hot compress. Note that: to avoid burns, put more layers of towels, small pads, etc. on the cloth bag, and then as the temperature drops layer by layer down to withdraw, if you feel not hot enough, you can let your family help reheat. If you use the supine position to operate on their own, salt bags under a layer of plastic to avoid wetting the bedding. In addition is the order of the hot compress parts, must be from the bottom to the top, starting with the calves, and then move up a little, especially the back of the points, can not fall, until the large vertebrae, do not forget, and then finally turn to the front of the small abdomen hot compress, so that the whole body meridians are basically open, the disease will naturally reduce the pain. This therapy, even for normal people, can also be used as health care, often, especially in autumn, a summer of damp heat, more suitable it. The principle of coarse salt hot compress: hot salt insulation, strong permeability, not only can the hot temperature penetrate the body, but also the body’s sickness, cold air sucked out. It can relax the muscles, expand capillaries, increase sweat gland secretion, promote blood circulation and improve the speed of the body’s metabolism. It has the effect of warming the meridians, dispersing inflammation and cold, and relieving pain. Ginger and onion have the effect of dispelling wind and removing cold.