Tylenol, known generically as imipenem cistatin sodium, acts by inhibiting the synthesis of the bacterial cell wall, has a powerful antibacterial effect, and is a broad-spectrum antibiotic. Attention needs to be paid to indications, treatment of resistant bacteria, prevention of postoperative infections and adverse reactions. 1.Indications. It is suitable for mixed infections caused by a variety of pathogens, lower respiratory tract infections caused by sensitive bacteria, intra-abdominal infections, soft tissue skin infections, endocarditis infections, gynecological infections and so on. 2. Treatment of drug-resistant bacteria. Infections caused by many aerobic and anaerobic Gram-negative-positive bacteria can have a strong antibacterial effect. Resistant antibiotics include hydroxycarbamoyl aminoglycoside, cefazolin, cefoxitin, cefoperazone, cefthiophene, and others. In addition, it can also be used for infections caused by aminoglycoside-resistant antibiotics or penicillin-type bacteria, mainly including gentamicin, piperacillin, carbenicillin and so on. 3. Prevention of postoperative infections. It can be used to prevent certain postoperative infections, including already contaminated, potentially contaminating surgical procedures. 4. Patients usually tolerate this drug well. Common adverse reactions are some local reactions, such as erythema, local pain, thrombophlebitis, etc., allergic reactions, such as rash, urticaria, etc., gastrointestinal reactions, such as abdominal pain, diarrhea, nausea. A history of allergy is required before use. It is contraindicated for people who are allergic to any of the components of the product. The drug needs to be used under the supervision of a physician.