Control system and control method for construction machinery

The invention provides a control system for construction machinery. The system includes a smart key configured to store a plurality of authentication codes and activate any one of the authentication codes, and a plurality of construction machines including a plurality of smart key modules mounted thereon respectively, the smart key modules communicating wirelessly with the smart key and having respective registration authentication codes which match with the authentication codes respectively. The construction machine including the smart key module having the registration authentication code which matches with the activated authentication code is controlled by the smart key. 本发明提供一种工程机械的控制系统，包括：智能钥匙，其能够以存储多个认证号码并激活所述认证号码中的某一个的方式工作；以及多个工程机械，其分别包括与所述智能钥匙进行无线通信并具有分别与所述认证号码匹配的注册认证号码的多个智能钥匙模块，内置有具有与被激活的所述认证号码匹配的注册认证号码的智能钥匙模块的工程机械被所述智能钥匙所控制。