Stage I Admission to the day before surgery 1, after the patient is admitted to the hospital, complete the history taking, physical examination, preoperative functional assessment (fill in the Harris scale for the hip joint), stop taking aspirin and drugs such as activating blood and blood stasis, and record them in the medical record. 2, joint surgery patients preoperative eleven routine examination [three routine, coagulation chart, biochemistry, blood sedimentation, C-reactive protein, pre-transfusion set, D-dimer, chest X-ray (front and side film), electrocardiogram, abdominal ultrasound (liver, gallbladder, pancreas, spleen, both kidneys, etc.), cardiac and limb ultrasound vascular examination, the results of the anomalies should be promptly reviewed and the course of the record, put forward the treatment of the views]. 3. Hip joint lesions: pelvic plain film, front and side view film of the affected hip (including the upper 2/3 of the femur); the photo should be enlarged according to 1:1, and it should be written as “Please take the CR film, and print it according to the size of the original film box, for measurement”. 4, rheumatoid patients with multiple joint involvement should include limb joints and spine X-ray film (cervical vertebrae in the front and side position, lumbar vertebrae in the front and side position); 5, ischemic necrosis of the femoral head Ⅰ, Ⅱ, or a few osteoarthritic infections should be CT, MRI examination. 6.Preoperative CT and MRI examination for patients with bone tumor; tumor marker examination. 7.Preoperative CT examination for patients with joint revision 8.All kinds of laboratory tests and other examination report cards should be neatly arranged in chronological order. Positive indicators and important negative indicators should be recorded in the medical record. 9, preoperative medical disease control: the course record should record the internal medicine and effect, and the reason should be recorded if the treatment time of the medical disease is longer Stage II The day before surgery 1, preoperative assessment: diagnosis, indications, contraindications, and development of surgical program; 2, arrangement of members of the surgical team, preoperative health education: turn over, get out of bed, go to the toilet, sit and stand and other postures, and guide the patient to carry out limb muscle training (gluteus medius, quadriceps, hip flexors, ankle dorsiflexors and plantarflexors); 3. Pre-operative preparation 3.1. Discussion within the group to draw up a diagnosis and treatment plan, and carefully fill in the Pre-operative Summary and Surgical Pre-certification 3.2. Record of pre-operative discussions within the department; 3.3. Record of pre-operative summaries and conversations with family members; signing of surgical consent, informed consent, consent to transfusion, and record of communication between doctors and patients 3.4. Measurement of X-rays, and selection of the prosthesis; 3.5. Routine blood preparation 3.6 Pre-operative skin preparation (only perineal skin for female hip); 3.7 Morning infusion (about 1500 ml of Ringer’s solution or sugar saline); 3.8 Instructing patients to practice coughing; 3.9 Starting oral non-steroidal anti-inflammatory painkillers (Celebrex 200mg bid) one day before the operation; Stage 3 Intraoperative quality control 1. Catheterization after anesthesia; 2. Half an hour before operation, antibiotic infusion; the operation time is more than 3 hours, an additional dose of antimicrobials; 3, intraoperative blood transfusion of more than 400 ml should be explained in the course of the record and record the amount of blood transfusion; Phase IV Post-operative management 1, post-operative prevention and treatment of internal diseases, the treatment of complications, analgesic treatment (recorded in the medical record); 2, post-operative rehabilitation: the following must be recorded in the course of the detailed records 2.1 The day of the operation, observe and record body temperature, blood pressure, heart rate, and body weight. record body temperature, blood pressure, heart rate, drainage, motor sensory circulation of the affected limb, wound dressing, instruct patients to sit up early, cough sputum, prevent lung infection, instruct patients on correct postoperative rehabilitation: ankle dorsiflexion and plantarflexion exercise within 6 hours after surgery, ankle dorsiflexion, plantarflexion and quadriceps, gluteus medius and flexor digitorum profundus muscle functional exercise within 6 to 24 hours; the use of analgesic pumps and their effects; 2.2 On the first postoperative day, observe and record body temperature, blood pressure, heart rate, drainage flow, motor sensory circulation of the affected limbs, wound dressing, remove drainage tube and urinary catheter, review postoperative tablets, blood routine, biochemistry, and timely correct the internal environment disorders; ankle dorsiflexion, plantarflexion, and quadriceps and gluteus medius muscle exercises, low molecular heparin calcium to prevent thrombosis (until discharge, those who do not have antithrombotic treatment must specify the reason in the case), the use and effect of analgesic pumps. The use and effect of analgesic pump;. 2.3 On the second postoperative day, observe and record body temperature, blood pressure, heart rate, motor sensory circulation of the affected limbs, wound dressings, walker-assisted activities on the ground, functional joint exercises, partial weight-bearing of the affected limbs, and the use and effect of analgesic pumps; 2.4 On the third postoperative day, observe and record body temperature, wound dressings, walker-assisted activities on the ground, and part of the weight-bearing walks. 2.5 On the fourth postoperative day, stop the intravenous use of Antimicrobials (those who need to prolong the use of antimicrobials must indicate the reason in the medical record), walker-assisted downward mobility, partially weight-bearing walking 2.6 On the fifth day after surgery, partially weight-bearing walking with the aid of a walker 2.7 On the sixth day after surgery, the wound is removed from the skin suture and the patient is discharged from the hospital, and the certificate of discharge should record the following: diagnosis, surgical procedure, prosthetic manufacturer and model, and precautions to be taken after discharge from the hospital [Rest for three months, the affected limb cannot be tilted, flexed, or rotated. No internal rotation, no more than 90 degrees of hip flexion, partial weight-bearing walking with the assistance of a walker, oral antimicrobials and antithrombotic drugs according to the condition, as appropriate (use of antithrombotic drugs after discharge to one month after surgery), if there is a cold and other resistance to decline or there are systemic infections, such as dental infections, and invasive operations and other conditions need to be oral antimicrobials in a timely manner, 1, 2, 3, 6, 12 months outpatient follow up after discharge, and later Annual follow-up】 2.8 Walking with the assistance of a walker after discharge from the hospital until three months after the operation, and walking under the protection of a cane after three months.