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    <p>Here is the thing,</p> <p>Object of the <code>class Ref</code> or any class derived from it has a variable <code>_retainCount</code> which represents the scope of the object.</p> <p>Also there is an <code>autorelease</code> pool which is similar to the garbage collector in <code>java</code>. The object which is added to this <code>autorelease</code> pool will be deleted at the end of the frame. Unless its <code>_retainCount!=0</code></p> <p>Now when you create new object of <code>Ref</code> or derived class using the create method it is already added to the <code>autorelease</code> pool and you don't need to <code>release</code> it or <code>delete</code> it anywhere. As you can see in the create function of <code>Node</code> below.</p> <pre><code>Node * Node::create() { Node * ret = new (std::nothrow) Node(); if (ret &amp;&amp; ret-&gt;init()) { ret-&gt;autorelease(); } else { CC_SAFE_DELETE(ret); } return ret; } </code></pre> <p>But when you create new object using 'new' you definitely need to <code>delete</code> it after its use is over. Though it is not recommended to use New to <code>allocate</code> the objects of <code>cocos2d</code> classes. Rather use create.</p> <pre><code>Node* temp=Node::create(); </code></pre> <p>then,</p> <pre><code>temp-&gt;retain(); //your work... temp-&gt;release(); </code></pre> <p>or</p> <pre><code>Node* temp=Node::create(); Node* tempChild=Node::create(); temp-&gt;addChild(tempChild); //your work... temp-&gt;removeFromParent(); </code></pre> <p>Second thing,</p> <p>when your object is added to the <code>autorelease</code> pool but you need to increase its scope you could just retain it , this increments its retain count by one and then you have to manually release it i.e, decrement its retain count after its use is over.</p> <p>Third Thing,</p> <p>Whenever you add child your object it is retained automatically but you don't need to <code>release</code> it rather you remove it from the parent as mentioned above.</p> <p>Official documentation is @link below.</p> <p>[<a href="http://www.cocos2d-x.org/wiki/Reference_Count_and_AutoReleasePool_in_Cocos2d-x#Refrelease-retain-and-autorelease][1]" rel="noreferrer">http://www.cocos2d-x.org/wiki/Reference_Count_and_AutoReleasePool_in_Cocos2d-x#Refrelease-retain-and-autorelease][1]</a></p>
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