Novel wide greenhouse suitable for vegetable planting in south China

The invention discloses a novel wide greenhouse suitable for vegetable planting in south China, and relates to the field of vegetable planting. The novel wide greenhouse suitable for vegetable planting in south China comprises a main frame body, a celling membrane arranged at the top of the main frame body and side membranes arranged around the main frame body; the main frame body comprises a plurality of vertical support tubes, a plurality of horizontal support tubes, two longitudinal support tubes and a plurality of arch tubes along the width direction; each of the horizontal support tubes is respectively connected with the head end and the tail end of the corresponding arch tube along the width direction; and crossed support tube groups are arranged between each of the horizontal support tubes and the corresponding arch tube along the width direction. By arranging arch tubes as the arch tubes along the width direction, as well as arranging the crossed support tube groups between thearch tubes and the horiz