Issues: - Unacceptable site content

When you receive the letter this site from google. You will feel confused and helpless why google has sent letter to you. You read it again.

Google AdSense to me

Hello your name,

Thank you for your interest in Google AdSense. Unfortunately, after
reviewing your application, we're unable to accept you into Google
AdSense at this time.

We did not approve your application for the reasons listed below.

Issues:

- Unacceptable site content

---------------------

Further detail:

Unacceptable site content: Your website contains content that we do not
allow at this time. Please review our policies
(https://www.google.com/adsense/policies?hl=en_US) for a complete list
of site content not allowed on web pages.

---------------------

For a complete list of AdSense criteria, please visit:

https://www.google.com/adsense/policies?hl=en_US


To update and resubmit your application, please visit
https://www.google.com/adsense?hl=en_US and sign in using the email
address and password you submitted with your application. Our
specialists will review your account for compliance with our program
policies, so please make sure to resolve all of the issues listed above
before resubmitting.

Please contact us at adsense-support@google.com if you have any
questions.

Sincerely,

The Google AdSense Team

 When you finish reading. Gives you a way out by finding information from google, you read read read and then find thatyou blog is a splog, so you think>> Ok if my blog is a splog then please tell me how to increse its quality and get adsense approval!!

May be: This something can help you

Check you site

Sites with Google ads may not include or link to:

Pornography, adult or mature content
Violent content
Content related to racial intolerance or advocacy against any individual, group or organisation
Excessive profanity
Hacking/cracking content
Gambling or casino-related content
Illicit drugs and drug paraphernalia content
Sales of beer or hard alcohol
Sales of tobacco or tobacco-related products
Sales of prescription drugs
Sales of weapons or ammunition (e.g. firearms, firearm components, fighting knives, stun guns)
Sales of products that are replicas or imitations of designer goods
Sales or distribution of coursework or student essays
Content regarding programs which compensate users for clicking ads or offers, performing searches, surfing websites or reading emails
Any other content that is illegal, promotes illegal activity or infringes on the legal rights of others 

Unacceptable content can be anything like copied content, low content and so on. 

How To Get Approved For Adsense
1.) Use Real Names and NOT Nicknames
2.) Apply Only Once
3.) Make Your Blog Has Good Content Both In Quantity & Quality