Knee bone injury infusion is usually about three to five days, the specific infusion time depends on the degree of injury. 1. Knee bone injury intravenous infusion is generally for anti-inflammatory, normal infusion of about three days, if the degree of injury is more serious, may need about five days, but the specific time needs to be decided by the attending physician according to the patient’s recovery. 2. When the knee injury is more serious, the patient needs to be hospitalized and receive fluids, and the commonly used fluids include antibiotics, generally speaking, cephalosporins or penicillin antibiotics; or rehydration fluids, such as glucose, amino acids and other nutritive drugs. It is recommended that patients with kneecap injuries go to a regular orthopedic hospital as soon as possible to clarify the specific degree of injury, and then carry out targeted treatment, do not delay. Pay attention to more rest, do not walk frequently, diet should be nutritious, light, any discomfort promptly tell the medical staff.