First, cold and wet low back pain; Many people can feel the evil of cold and dampness because they live in cold and humid places for a long time, or wading in the rain, sweating when the wind blows, and wearing cold and humid clothes. Cold pathogen stagnates, and wet pathogen is not sticky, which leads to the obstruction of meridians in waist and legs and the poor circulation of qi and blood, thus causing low back pain. It will get worse in rainy days. Treatment: dispel cold and dampness, warm meridians and dredge collaterals. Formula: 6000, 38000, 650, 30, 80, 660, 550, 380 seconds, damp-heat lumbago; Most of them are exogenous pathogenic damp-heat, or the body is full of yang and feels damp-evil, and the heat is stagnant for a long time, which causes low back pain. There is a feeling of heat in the pain, which is aggravated by hot weather or rainy days, and can be relieved after exercise. The urine is short and red, the fur is yellow and greasy, and the pulse or string number is rapid. Treatment; Clearing heat and promoting diuresis, relaxing muscles and tendons and relieving pain. Formula: 6660,4000,6000,40070,640. Third, blood stasis and low back pain; Trauma from falls, impaired qi and blood, or blood circulation blocked due to illness, blood stasis stays in the waist, causing low back pain. The pain is like a thorn, and the pain is local. The day is light and the night is heavy, which is not convenient for pitching, but the weight cannot be turned sideways, so it is painful to refuse. The tongue is purple and dark, or has ecchymosis and astringent pulse. Treatment: promoting blood circulation and removing blood stasis, regulating qi and relieving pain. Formula: 650070, 60050, 70, 6000400, 70 4. Kidney deficiency and low back pain, mostly due to congenital deficiency or overwork, strongly hurt the kidney. There are also cases of low back pain caused by kidney essence loss, atrioventricular joint loss and inability to nourish tendons and veins. The main pain is soreness, like rubbing, weakness of legs and knees, and severe fatigue. People with yin deficiency are often accompanied by upset insomnia, dry mouth and throat, red face, hot hands and feet, red tongue with little coating, and rapid pulse. Treatment: 1, partial yang deficiency, warming and tonifying kidney yang. Formula: 650,7000,6000,5000,65000 2. Yin deficiency nourishes kidney yin. Formula: 6400, 7000, 2600, 400, 700600, 00400, 070