Soreness in the waist after giving birth to a child, it is recommended to use physical therapy methods, you can carry out TDP irradiation, transcutaneous nerve electrical stimulation or Chinese medicine ion introduction, red light, polarized light and other irradiation for treatment, not only can relieve the pain, soreness and swelling of the waist and other symptoms, but also does not affect the breastfeeding, has no effect on the child, there is no physiological impact on the woman. If the effect of physical therapy is not good, you can also suggest the use of acupuncture for treatment, acupuncture has no effect on breastfeeding women, does not affect the breastfeeding of children, you can take acupuncture points in the waist and lower limbs, acupuncture plus moxibustion, and then TDP irradiation, you can get a better result and does not affect breastfeeding.