Composite condition control system and engineering machinery

The invention relates to the technical field of engineering machineries, and particularly to a composite condition control system and an engineering machinery. The composite condition control system provided by the invention includes a first pressure oil port, a second pressure oil port, a first dividing valve, a first working set, a second working set, a conflux valve and a stop valve. The conflux valve is disposed to a first oil channel connected between an oil inlet of the second working set and the first pressure oil port, to control the first oil channel to be conducted or cut off. The stop valve is disposed to a second oil channel connected between a feedback oil port of the second working set and a control end of the first dividing valve, to control the second oil channel to be conducted or cut off. A feedback oil channel of the second working set can be controlled by disposing the stop valve, the second working set can conflate flows when only the second working set work alone, and influence on the first work set caused by the second work set can be effectively avoided, the reliability of work of the composite condition control system can be raised.