Data legality verification method and system

The invention provides a data legality verification method and system. According to the invention, if data sent by a data transmitting device is received, a preset verification mode corresponding to the data transmitting device is acquired; and legality verification is performed on the data according to the preset verification mode, so that illegal data can be recognized effectively, a data analysis result is avoided from generating an error, and thus accurate monitoring or the operating state of electronic equipment is realized. 本发明提供种数据合法性验证方法及系统，通过若接收到数据发送设备发送的数据，则获取与所述数据发送设备对应的预设验证方式；根据所述预设验证方式，对所述数据进行合法性验证，可以有效识别不合法的数据，避免数据分析结果产生错误，从而实现对电子设备运行状态的准确监控。