The right side of the waist is always painful for the following reasons: first, lumbar muscle strain, when long-term work and work with one side of the waist, there can be chronic injury to one side of the waist muscles, resulting in pain on one side of the waist, then early physical examination and examination to exclude other diseases for diagnosis. Second, kidney diseases, when the kidney has tumors, inflammation, stones, cysts, can appear one side of the waist pain, often accompanied by hematuria and proteinuria, then early CT, ultrasound examination of the kidney and urine tests to early diagnosis and early treatment. Third, intercostal neuralgia, when intercostal neuralgia can appear on one side of the waist intercostal nerve pain, this time to early investigation and early treatment. Fourth, herpes zoster, herpes zoster can appear in the early stage of one side of the waist pain, after 1-2 weeks of incubation period can appear herpes, this time to early diagnosis and early treatment to the dermatology department.