The precautions for conservative treatment of rib fracture include keeping the tightness of the chest strap, avoiding excessive force, paying attention to keeping warm, and supplementing calcium and protein in diet. 1. Keep the tightness of chest belt: conservative treatment of rib fracture usually requires the use of chest belt fixation, pay attention to the chest belt to maintain a certain degree of tightness, do not untie yourself, so as not to lose the effect of chest belt fixation. If you feel that the chest strap is loosening, inform the medical personnel to re-fasten it in time. 2. Avoid over-exertion: During the recovery period, you should pay attention to not coughing hard or holding your breath, and pay attention to protecting the fracture site when you are moving around to avoid secondary injury. 3. Pay attention to keep warm: pay attention to keep warm in daily life, pay attention to cover the quilt when sleeping at night, don’t get cold. 4. Diet: pay attention to supplement calcium and vitamin D, increase protein intake, you can eat some shrimp, dairy products, etc., to enhance bone quality.