What are the differences between axial flow fan and negative pressure fan

In the hot summer, every household can't live without air conditioners, and in the spacious and airtight factory buildings, it is even more stuffy. The workload for air ventilation and exhaust is greater. As the saying goes, a good comparison is good or bad. Today we also come to make a comparison. What is the comparison, namely, which is more suitable for us, the axial flow fan or the negative pressure fan, I believe you will also be interested in this aspect.