Abstract: In order to improve the vegetable production of solar greenhouse, and select the ones which suitable to the cold regions like Chifeng. This article chosed five different multi-function and advanced-tech plastic films and a common one in the market as CK, testified the difference among them in the practice application. Tests found, two of them obvious advantage over the CK in functionality and output, and worthy to apply. And PO film excelled in weathering resistance, could be prolong the usage time to improve efficiency.