Using STM32F103 to enable the NSS hardware of SPI

Good day,all
Could I ask you some suggestions about STM32F104 here?
I am a newbie in the road of learning computer and hardware and maybe my question is simple. Please forgive me if there are any noob problems.
I have a hardware–STM32F103 and this is the datasheet of STM32F103: [url]http://www.kynix.com/uploadfiles/pdf65976/STM32F103C4T6A.pdf[/url] ,
I would like to ask that :
Using STM32F103 to enable the NSS hardware of SPI,what doesn’t it height up?