The invention discloses an indoor manual
ravine stream device capable of simulating a
ravine stream ecological
system. A hollow-square water tank with an opening in the top is included, an entity partis arranged in the middle of the hollow-square water tank, a sunken position is arranged in the middle of the entity part, the sunken position is used for placing of a nutritive salt adding device, the same number of stones derived from a
ravine stream to be researched are evenly placed in the hollow-square water tank, a telescopic steel
structure support is mounted over the hollow-square water tank, a
fluorescent lamp and an illumination regulation device are arranged on the steel
structure support, a temperature and
humidity monitoring instrument is further included, multiple concave inserting openings are formed in the inner walls of the two sides of the hollow-square water tank, a motor is connected with a motor rotating speed controller, a connecting shaft of the motor is fixedly provided with a wheel
paddle, a
water flow capable of circularly flowing is arranged in the hollow-square water tank, a water inlet and a water outlet are formed in the hollow-square water tank, and areconnected with a water pump and a hose correspondingly, a screen net is arranged at the connecting position of the hose and the water pump, a
photometer is arranged on the indoor manual ravine streamdevice, and the invention further discloses a method using the device for carrying out an experiment.