1.如果只表示询问对方意见时,用anything：
1）Do you need me to bring anything?
2）Do you need me to bring anything to eat?
2.如果表示希望得到对方肯定的回答,用something：
1）Do you need me to bring something?
2）Do you need me to brng something to eat?
注：此时把need视为行为动词进行翻译使用,更好.