1. National, large-scale, standardized, standardized, real-world research;
2. Prospective, single - arm open, non - interventional, registration, multi - center
3. in the use of cefuroxime axetil dispersible tablets in the hospital, according to the
principle of voluntary selection of 200;
4. registration of the use of cefuroxime axetil dispersion tablets patients;
5. Target sample size of 100,000 cases;
6. Exemption from informed consent for ethical review applications;
7. Antibiotic drug safety re-evaluation of large data.