The invention provides a mugwort salt drug physiotherapy bag for neck-shoulder and lumbar vertebra pains and rheumatoid joint pains. The mugwort salt drug physiotherapy bag is prepared from salt, Chinese mugwort leaf, garden balsam stem, obscured homalomena rhizome, cassia twig, common clubmoss herb, mulberry twig, divaricate saposhnikovia root, safflower, turmeric, clematis root, Chinese taxillus twig and notopterygium root. A preparation method comprises the following steps: putting common mugwort fibers, grounded drug materials and salt particles into a mixed stirring barrel, performing stirring and uniform mixing, and then putting into a cloth bag with high air permeability. The size and shape of the mugwort salt drug physiotherapy bag are designed according to common parts, and a mode of fixing the mugwort salt drug physiotherapy bag to a wounded part of a patient can be arbitrarily selected. In a using process, the mugwort salt drug physiotherapy bag is heated and then acts on a pain spot, drugs permeate into a deep layer of the skin of a human body through meridian transmission, blood circulation is promoted, and meridian is unblocked, so that the aims of conditioning an organism and physically treating diseases are achieved; healthcare salt in the mugwort salt drug physiotherapy bag can have a unique treatment effect on soreness, swelling and pains caused by scapulohumeral periarthritis, lumbar muscle degeneration, bone spur, cervical spondylosis, protrusion of intervertebral disc, rheumatoid itai-itai disease, dysmenorrhea and the like.