The back pain in the rain can take wind-sparing and pain-determining pills. The back pain on a rainy day is mostly considered to be caused by wind-cold invasion of the body, while the wind-sparing and pain-determining pills have the efficacy of activating blood circulation, relieving pain, dispersing cold, and dispelling wind, and can be used to treat joint pain, tingling, swelling and pain caused by stasis of blood and wind-cold dampness obstruction, flexion and extension of the joints, numbness of limbs and other conditions. Therefore, patients with back pain on rainy days can be treated with Shuo Feng Ding Pain Pills under the guidance of a doctor. The contraindications and adverse reactions of the wind-sparing and pain-determining pills are not clear, patients need to take the prescribed amount, should not take more. Frail people should not take; pregnant women should not take. It is recommended that patients follow the doctor’s instructions to use the wind-sparing and pain-determining pills treatment, do not take medication without authorization, so as not to cause damage to the body.