1、首先去到实体店中，然后打开支付宝，在首页中选择箭头所指处的“扫一扫”选项。

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2、接下来在扫一扫页面中，扫描商家的收款码。

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3、接下来在付款页面中，输入付款金额，注意支付的金额需要比获得的红包金额大，点击“确认付款”。

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4、接下来就可以看到红包抵扣了，最后点击“立即付款”，输入自己的支付密码就可以了。

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