What is a good way to remember from the textbook?

My exams are coming and I have loads of things to remember from my Chemistry and Biology textbook. How can I do it? Write out?What is a good way to remember from the textbook?
write important points on a paper, then organize them with the first letter in the point (or what the important part is) then make a word of it. then you gotta remember one word and reference what ur notes are from that one word