Sickness preventing and production increasing machine for greenhouse crops

The utility model relates to a prophylactic production stimulator for the greenhouse crops, which comprises a cylinder, a fuel gas port, a pressure gauge, an under voltage protector, an electromagnetic valve, a gas distribution port, a fuel gas head, an igniter, a carbon dioxide density controller, a carbon dioxide sensor and a fuel gas conduit. A sagittal coping is arranged at the upper part of the cylinder and is connected with the cylinder by bolt, while a hyperbolic guide shell fixed at the inner wall of the cylinder is arranged at the upper part of the fuel gas head and a pesticide gasifying cup that is firmly suspended at the bottom of the sagittal coping is arranged at the upper part of the guide shell. The upper part of the sagittal coping is fixed with an ozone generator, while the external surface is provided with an electric terminal and ozone emitting holes and the interior is provided with an ozone generating tube. The utility model has the following advantages: energy saving and environmental protection, simple structure, convenience for using and safety and security besides the dual function of production stimulation and sterilization, enables people to eat pollution-free green fruits and vegetables.