Vegetable plastic film greenhouse with ventilation openings and construction method thereof

Provided are a vegetable plastic film greenhouse with ventilation openings and a construction method thereof. The greenhouse comprises an arch frame, a film and film pressing lines. Both sides of the film are provided with the ventilation openings. Every ventilation opening is structurally formed by adhering two adhesive tape strips arranged in a transverse parallel mode to the upper surface of the film, arranging a plurality of strip films between the two adhesive tape strips on the film, bundling the strip films in a staggered mode to form the ventilation opening, and fixing a cover film at the upper end of the ventilation opening through hot welding. Further provided is the construction method. Compared films with existing ventilation schemes, the film is an entire film, flat, neat, not prone to wrinkling and water condensation on the surface and is good in transparency and insulation. The cover film on the ventilation opening can be laid down to prevent the film from being torn by heavy wind in a windy day and the cover film on the ventilation opening can be laid down to avoid rainwater pouring into the greenhouse in a rainy day.