Hospital Information System based on relational database development, electronic prescription system data will be illegal tampering, it was tampered with after the electronic prescription would be inconsistent with the prescription validity, but also harm the hospital management. Tamper-resistant feature of the design of an electronic prescription vulnerability of electronic prescriptions may be tampered with prevention, to improve the safety of hospital data.%基于关系型数据库开发的医院信息管理系统，电子处方系统所生成的数据会被非法篡改，被篡改后的电子处方将不符合处方有效性，同时也对医院管理带来危害。设计电子处方防篡改功能将电子处方有可能被篡改的漏洞进行防范，从而提高医院的数据安全。
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