However, reading English books is hard to do everyday as I have to read it on my own. = However, reading English books is hard to do every day because I have to read them on my own.
“everyday” = “every day” (adverb form); “it” = “them” (books = plural); “as” = “because” sounds more natural.

I think it is appropriate for someone who already has studied English for a long time = I think it is appropriate for someone who has studied English for a long time.
 Removed “already” because it’s unnecessary.

or wants to know the deeper information. = or wants to learn deeper information.
 “know” = “learn” fits better; removed “the” to sound natural.

But it is more helpful to watch moives without subtitles. = But it is more helpful to watch movies without subtitles.
 “moives” = “movies” (spelling).

Great job! Your writing is clear and your ideas make sense. Just a few small corrections with spelling and wording. Keep going!