The following are the main signs of a pelvic fracture: 1. pressure pain, pressure pain, percussion pain, crushing pain, etc. 2. bone rubbing sound, after a pelvic fracture occurs, when examined, touched or pressed, the fracture ends rub against each other and a clicking sound occurs. 3. abnormal activity, after a fracture of the iliac wing or sacral coccyx, there will be abnormal local activity when examined, that is, the bone The fracture of the pelvis will cause pain when pressed inward or outward, which is called a positive pelvic squeeze test. 5. The fracture of the pelvis is likely to be combined with a large blood loss, after which the patient will show signs of shock such as pallor, indifferent expression, cold skin, decreased blood pressure, and decreased urine output. 6. Infection symptoms may occur, such as increased body temperature, increased white blood cells and neutrophils in the blood, etc.