The difference between 长处 and 好处
The nouns 长处 and 好处 are similar in meaning, but they are used in different situations.
The noun 长处
The noun 长处 
is used when talking about a person's strengths or weaknesses.
is used when talking about a person's strengths or weaknesses.Examples
每人都有自己的长处和短处
Everyone has their own strengths and weaknesses
měi rén dōu yǒu zìjǐ de chángchu hé duǎnchu
谨慎不是他的长处
Caution is not his strong suit
jǐnshèn bú shì tā de chángchu
他赞扬了互联网的长处
He praised the advantages of the Internet
tā zànyáng le hùliánwǎng de chángchu
The noun 好处
The noun 好处 indicates the benefit a person can get from a certain object.
indicates the benefit a person can get from a certain object.Examples
没有人会从中得到好处
It won't do any good
méi yǒu rén huì cóngzhōng dédào hǎochu
空谈没有好处
There is no benefit to empty words
kōng tán méi yǒu hǎochu
哪种维生素补品对你有好处？
What vitamin supplement is good for you?
nǎ zhǒng wéishēngsù bǔpǐn duì nǐ yǒu hǎochu