Back pain at night may have the following causes: first, heart disease, when the heart has a heart attack or angina, there can be pain in the back of the left side, which is radiating pain, to carry out ultrasound of the heart, ECG, cardiography and blood tests for diagnosis and treatment; second, cholecystitis or gallbladder stones, these two diseases can lead to radiating pain in the back of the right side, which can also occur at night Third, herpes zoster, patients with herpes zoster can have pain in the back and can have pain at night, and after the incubation period, they can have clusters of herpes, which should be diagnosed and treated in the dermatology department; fourth, intercostal neuralgia, patients with intercostal neuralgia can also have pain at night in the intercostal nerve, which is often stabbing, vague, or painful. The pain is often tingling, vague or radiating, and early diagnosis and treatment should be carried out with relevant investigations.