C189 Lullaby of the bug

The only person who was not angry was Zheng Yingwen, because she had already seen the process of Qin Lang using "whistling" to treat illnesses. She had some confidence in Qin Lang's medical skills, and she believed that Qin Lang "whistling" at this time was definitely not for fun, but to treat illnesses.

So when she saw the anger in her husband's eyes, Zheng Yingwen quickly stopped him. However