首先我们来看下help to do和help doing的大致意思：
help to do：词性为动词短语，help：帮助；to：表示目的；do：做
help doing：词性为动词短语，help：帮助；doing：正在进行
通过下面的表格我们了解下help to do和help doing的含义、发音和用法
接下来让我们看下help to do和help doing的用法区别：
1.语法结构：help to do是及物动词+不定式，而help doing是及物动词+动名词。
例子：
- Can you help me to clean the room?
(Can you help me to clean the room?)
- I helped him to find his lost keys.
(I helped him to find his lost keys.)
2.意义差异：help to do表示帮助去做某事，强调动作的完成；help doing表示帮助正在进行的事情，强调动作的进行。
例子：
- She helped him to write the report.
(She helped him to write the report.)
- He is helping his sister clean the house.
(He is helping his sister clean the house.)
3.语义重点：help to do强调帮助的对象，即谁去做某事；help doing强调帮助的行为，即在做什么事情。
例子：
- They helped him to win the championship.
(They helped him to win the championship.)
- He is helping his friends move to a new apartment.
(He is helping his friends move to a new apartment.)
4.习惯用法：help to do常用于口语及正式文体；help doing常用于口语和非正式文体。
例子：
- Can you help me to carry these bags?
(Can you help me to carry these bags?)
- She is helping him organize the party.
(She is helping him organize the party.)
5.时间性：help to do表示帮助在将来完成的动作；help doing表示正在进行的动作。
例子：
- He will help her to prepare for the exam tomorrow.
(He will help her to prepare for the exam tomorrow.)
- They are helping each other decorate the Christmas tree.
(They are helping each other decorate the Christmas tree.)
6.语态：help to do可以用于被动语态，形式为help to be done；help doing不可用于被动语态。
例子：
- The teacher helped him to be admitted to the university.
(The teacher helped him to be admitted to the university.)
- She is helping her mother clean the house.
(She is helping her mother clean the house.)
help doing不存在，只用于can't/couldn't help doing结构。
can't help doing 禁不住做某事
can't help (to) do不能帮忙做……
例子：
She helps （to） clean the room.
I can't help (to) clean the classroom because my teacher tells me to go to her. 我不能帮忙打扫教室，因为老师叫我去找她。
It's so interesting that I can't help reading it over and over again. 它太有趣，我忍不住一遍又一遍地读它。
He couldn't help worrying obsessively about what would happen.
他禁不住着魔般地担忧将会发生的事情。
《柯林斯英汉双解大词典》