壹、意思不同
much意思：很多
more意思：更、更強、更多
2、用法不同
much 用法：後接than結構作賓語補足語或表語，表示前後兩種情況對比，作具有描寫或強調意義的後置定語。
more用法：more用作副詞是many和much的比較級，可構成多數兩個或兩個以上音節的形容詞或副詞的比較級。
3、側重點不同
much 側重點：側重於程度更進壹步的多。
more側重點：側重於正常狀態的多。
擴展資料：
much例句：
1、 I think we may learn much from it.
我想我們能從中學到許多。
2、 I don't suppose you have much time.
我想妳不會有很多時間。
3.、Mary and I are looking forward very much to the party.
瑪麗和我熱切盼望晚會的舉行。
4.、The patient is much the same this morning.
今晨病人情況幾無變化。
more例句：
1、His illness was more serious than the doctor first thought.
他的病較醫生原來以為的更嚴重。
2、There are more cars on the road in the summer than in the winter.
夏天路上的車子比冬天多。
3、She spends more and more time alone in her room.
她獨自待在房間裏的時間越來越多了。
4、I am becoming more and more irritated by his selfish behaviour.
我對他那種自私的行為愈加惱火起來。