What type of Schema use this ?

That's Sitelinks, not Schema. Here is what Google says about Sitelinks https://support.google.com/webmasters/answer/47334?hl=en

 

Yeah I am agree with this that it is not schema..

 

If you want then this is breadcrumb schema which is related to your breadcrumb and google also rank those find below

<div itemscope itemtype="(uknow) /Breadcrumb">
<a href="(uknow)/books" itemprop="url">
<span itemprop="title">Books</span>
</a> ›
<div itemprop="child" itemscope itemtype="(uknow)/Breadcrumb">
<a href="(uknow)/books/authors" itemprop="url">
<span itemprop="title">Authors</span>
</a> ›
<div itemprop="child" itemscope itemtype="(uknow)/Breadcrumb">
<a href="(uknow)/books/authors/stephenking" itemprop="url">
<span itemprop="title">Stephen King</span>
</a>
</div>
</div>
</div>