Pubic bone protrusion can be caused by a variety of reasons, such as congenital development, malnutrition, trauma or inflammation, occupying lesions, etc. Different treatments should be taken according to the causes. 1. If the pubic bone protrudes when lying down due to congenital development, it usually only affects the appearance and has no obvious effect on health, so no special treatment is needed. 2. Pubic bone protrusion caused by malnutrition, also manifested as wasting, anemia, muscle flaccidity, boat-shaped abdomen and other symptoms, need to treat the primary disease, timely adjustment of diet, nutrition, supplementation of various vitamins and trace elements, regulation of water and electrolyte disorders and other treatments. 3. Pubic bone protrusion caused by trauma or inflammation, such as pubic bone fracture, separation of pubic symphysis, pubic bone contusion, should be reset and immobilized, and anti-inflammatory and pain relieving drugs, such as non-steroidal anti-inflammatory drugs ibuprofen and diclofenac, etc. should be used for treatment under the clear etiology of the disease, as well as moderate rehabilitation exercises. 4. Pelvic space-occupying lesions can also lead to pubic bone protrusion, should be based on the corresponding examination to clarify the location, nature and size of the space-occupying lesions, the space-occupying lesions lesions targeted drug therapy, or even surgical treatment. Patients should actively consult the doctor to avoid delayed treatment. The use of drugs should be in accordance with medical advice.