This method is the user’s personal experience, it is said to be on the lumbar disc herniation caused by back and leg pain effect is particularly good, middle-aged and elderly people more or less will have some back pain and leg pain, see the students may wish to tell this method to their parents or elders, this therapy, no side effects, even if it is a normal person, can be used as health care. Here to see the specific practice 1, ready to coarse salt, ginger cut into slices, scallions with whiskers together, a cloth bag with salt (the following one is made of towels, breathable). 2, the edge of the sewing well, turn over into a cloth bag. 3, the ginger and green onions sliced, salt can be reused, ginger can be repeated twice, green onions used and discarded, the next time with a new one. 4, salt, put into the pan and fry until snapping, about time-consuming 10 minutes, poured on the ginger and onion slices, and then pick out the ginger and onion slices, the salt into a cloth bag, you can hot compress. Cool can be repeatedly heated, that is, save time and money, if the family has a microwave oven, it is much more trouble, the temperature of the low gear 5 minutes can be, can be heated at any time, that ginger and onion slices directly with the salt into the bag and then put in the microwave oven to heat up, take out the hot compresses. It should be noted that: in order to avoid burns, put a few more layers of towels, small cushions, etc. on the bag, and then as the temperature drops layer by layer down, if you feel not hot enough, you can let your family members to help re-heat. If you use the supine position to operate by yourself, the salt bag should be padded with a layer of plastic underneath to avoid wetting the bedding. Another is the order of the hot parts, must be from the bottom to the top, starting from the calves, and then a little bit to move up, especially the back of the points, can not fall, until the large vertebrae, don’t forget, and then finally turned to the front of the abdomen at the hot, so that the whole body’s meridians basically open, the disease will naturally be alleviated. This therapy, even normal people, can also be used as a health care, often used, especially in the fall, a summer of hot and humid, more appropriate it. Principle of the hot compress of coarse salt: hot salt insulation, permeability, not only can the hot temperature penetration of the body, but also the body’s sick gas, cold gas sucked out. It can relax the muscles, expand the capillaries, increase the secretion of sweat glands, promote blood circulation, and improve the body’s metabolic rate. It has the effect of warming the meridians and activating collaterals, reducing inflammation and dispersing cold, and relieving pain. Ginger and green onion have the effect of driving away wind and cold.