The pain behind the waist is like a needle-like pain, which is what Chinese medicine calls bruised blood lumbago. The pain occurs due to trauma or feeling wind, cold, dampness, stagnant blood, and blood accumulation in the waist. The characteristic is that the pain has a fixed place, characterized by needle-like pain, or more severe pain like a knife cut, and the pain is worse at night when sleeping, which is called bruised blood lumbago. The treatment method is to use blood activation and blood stasis, nourishing the kidney and strengthening the waist, specific drugs can be used to add and subtract the treatment of Fuyuan Blood Activation Tang, which can be taken with peach kernel, safflower, angelica, Chuanxiong, red peony, panax ginseng, frankincense, myrrh, yuanhu, Xu Changqing, aromatic herb, licorice, decoction in water, 1 payment/day.