擅长:python、mysql、java
<p>试试<a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.isin.html" rel="nofollow noreferrer">isin</a></p>
<pre><code>df1[~df1.isin(df2).all(1)]
</code></pre>
<p><strong>输出</strong></p>
<pre><code> ID PID PDate Amount
1 BBBBBB A12 20210525 3300
2 BBBBBB A12 20210525 3300
3 CCCCCC B11 20210625 1000
</code></pre>