How to stop taking the pill

Milly jane
This was my first box  ever  of the pill and the 2nd sheet in this photo I stuff it up cause I didn't kno how to use them properly but as soon as someone told me I straight away started a new sheet but I just kept it. 
And my mum after I finish the box I won't be taking the pill and I don't kno how to finish it. do i finish on the white pills or yellow pills. How does this work my mum my body will go back to normal once  finish. Help me