user19338: Master Lu ("New" Buddhism) most famous method of healing which is burning little house which i believe forbidden by Buddhism. Little House
There are many psychologies study supporting that burning negative thought can have some form of mental issue healing. I do that sometime but not little house.
Burning Letter and Letting Go
Q) May i know where is the Sutta written that this is forbidden ?
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Learning Buddhism is to Change Destiny

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user13709: Searching for "burning house", one finds this:

Thag16.1:8.1: Having realized the supreme Dhamma,
Thag16.1:8.2: without needing anything in the whole world,
Thag16.1:8.3: one doesn’t grieve at death;
Thag16.1:8.4: for it’s like escaping from a burning house.

Although interesting as a quote, it may seem far from your question.  However, if one thinks of burning little houses as an "observance", then the Buddha does indeed speak quite clearly about misapprehension of precepts and observances. It is a lower fetter.

MN64:5.10: That misapprehension of precepts and observances is reinforced in them, not eliminated: it is a lower fetter.

Consider a person who shoplifts, which is stealing. If they burn a little house every time they shoplift, is the harm done to the shopkeeper taken away? How could this burning of a little house help? That shoplifter is bound by a lower fetter.
On the other hand, consider a person who grieves for a beloved one, missing a smile or caring glance. If that person burns a little house thinking, "This grief is not mine, I am not this grief, this grief is not my self", it may help.

MN62:8.5: This should be truly seen with right understanding like this: ‘This is not mine, I am not this, this is not my self.’

Taken together, these two examples show us that we need to be careful about becoming attached to the burning of little houses, especially if we think, "the burning of little houses is mine."
Perhaps one might ask if burning the little house is escaping the burning house or clinging to it?

19338: <p>Master Lu (&quot;New&quot; Buddhism) most famous method of healing which is burning little house which i believe forbidden by Buddhism. <a href="https://www.videosworthsharing.com/guanyincitta/introduction-to-little-house/" rel="nofollow noreferrer">Little House</a></p>
<p>There are many psychologies study supporting that burning negative thought can have some form of mental issue healing. I do that sometime but not little house.
<a href="https://bestselfmedia.com/burning-letters-letting-go/" rel="nofollow noreferrer">Burning Letter and Letting Go</a></p>
<p>Q) May i know where is the Sutta written that this is forbidden ?</p>
<p>Related post - <a href="https://buddhism.stackexchange.com/questions/46116/xin-lin-fa-men-%E5%BF%83%E7%81%B5%E6%B3%95%E9%97%A8-new-buddhism">Xin Lin Fa Men</a></p>
<blockquote>
<p>Learning Buddhism is to Change Destiny</p>
</blockquote>
<p><a href="https://xinlingfamen.info/?hl=en" rel="nofollow noreferrer">Xin Ling Fa Men Branches</a></p>
 13709: <p>Searching for &quot;burning house&quot;, one finds this:</p>
<blockquote>
<p><a href="https://suttacentral.net/thag16.1/en/sujato#thag16.1:8.1" rel="nofollow noreferrer">Thag16.1:8.1</a>: Having realized the supreme Dhamma,<br />
<a href="https://suttacentral.net/thag16.1/en/sujato#thag16.1:8.2" rel="nofollow noreferrer">Thag16.1:8.2</a>: without needing anything in the whole world,<br />
<a href="https://suttacentral.net/thag16.1/en/sujato#thag16.1:8.3" rel="nofollow noreferrer">Thag16.1:8.3</a>: one doesn’t grieve at death;<br />
<a href="https://suttacentral.net/thag16.1/en/sujato#thag16.1:8.4" rel="nofollow noreferrer">Thag16.1:8.4</a>: for it’s like <strong>escaping from a burning house</strong>.</p>
</blockquote>
<p>Although interesting as a quote, it may seem far from your question.  However, if one thinks of burning little houses as an &quot;observance&quot;, then the Buddha does indeed speak quite clearly about misapprehension of precepts and observances. It is a lower fetter.</p>
<blockquote>
<p><a href="https://suttacentral.net/mn64/en/sujato#mn64:5.10" rel="nofollow noreferrer">MN64:5.10</a>: That misapprehension of precepts and observances is reinforced in them, not eliminated: it is a lower fetter.</p>
</blockquote>
<p>Consider a person who shoplifts, which is stealing. If they burn a little house every time they shoplift, is the harm done to the shopkeeper taken away? How could this burning of a little house help? That shoplifter is bound by a lower fetter.</p>
<p>On the other hand, consider a person who grieves for a beloved one, missing a smile or caring glance. If that person burns a little house thinking, &quot;This grief is not mine, I am not this grief, this grief is not my self&quot;, it may help.</p>
<blockquote>
<p><a href="https://suttacentral.net/mn62/en/sujato#mn62:8.5" rel="nofollow noreferrer">MN62:8.5</a>: This should be truly seen with right understanding like this: ‘This is not mine, I am not this, this is not my self.’</p>
</blockquote>
<p>Taken together, these two examples show us that we need to be careful about becoming attached to the burning of little houses, especially if we think, &quot;the burning of little houses is mine.&quot;</p>
<p>Perhaps one might ask if burning the little house is escaping the burning house or clinging to it?</p>
