A trace of disappointment also appeared in Xu Shanyin's eyes.

Mr. Xu just sighed lightly. Indeed, this little brother has just arrived and it is already amazing to be able to cure himself. How could he know who the poisoned person is?

"However, this kind of poison is extremely young. Although I can't confirm who was the one who was involved, as long as I checked what the old man had taken in front of me, I could always find some clues!" At this time, Ye Xiu added another sentence.

Xu Shanyin's eyes once again ignited the light of expectation.

Xu Shanqiu snorted coldly: "Hmph, my father hasn't eaten these days. The only thing he has taken is the medicine given by your father-in-law. According to your wishes, isn't the person who poisons it? Isn't it your father-in-law?"

Su Qinghe's face changed slightly, why did he touch him again?

Mr. Xu's eyes flashed, and he didn't seem to have expected that the young boy in front of him would be Su Qinghe's son-in-law.

"Haha, my father-in-law just prescribed a prescription, but this person who took medicine was not my father-in-law, and the person who took medicine for the old man was not my father-in-law!" Ye Xiu said with a faint smile.

"The person who took the medicine from my father is Xiao Mom. Do you doubt my little mother?" Xu Shanqiu sneered.

Xu Shanyin also frowned slightly, why did he touch his mother again?

"Where is the person who caught the medicine?" Ye Xiu sneered.

"That is Xu He, the most loyal butler in our Xu family. He is even more unlikely to poison his father!" Xu Shanqiu continued.

"Are you sure?" Ye Xiu chuckled!

"What do you mean?" Xu Shanqiu looked angry.

"Old man, my father-in-law prescribed for you is to treat pneumonia. There is a grassroots called Qinglancao that can make this insect last for three days. If someone injects this insect into the grassroots of Qinglancao, it will not be noticed at all. If you want to find out the real murderer who poisons the old man, you just need to check the medicine residue..."

"Young Master, you won't tell me that you even dumped all the medicine, right?" Ye Xiu looked at Xu Shanqiu with a smile.

"This...how do I know this?" Xu Shanqiu was obviously a little panicked.

"Haha, my father-in-law, when you prescribed the prescription, you should have told them that this Chinese medicine needs to be tormented seven times, right?" Ye Xiu smiled and looked at the Su Qing River again.

Su Qinghe felt very uncomfortable by the father-in-law's call, but at this moment, he knew that Ye Xiu was saving them, so he quickly spoke: "Yes, once a day, every time he tormented for half an hour, the third and fourth times are the best results..."

"So, if the butler had no idea what to do, it wouldn't be possible to throw away the medicine residue, right?" Ye Xiu looked up and looked at Xu Shanqiu with a flash.

Xu Shanqiu's face suddenly turned pale!

"Go, call Xu He over and bring the medicine residue..." Old Master Xu snorted angrily...

After a while, Xu He, the butler of the Xu family, hurried over, and was still twisting a bag of tortured Chinese herbal medicine in his hand.

"Master..." Knowing that there was something wrong with the medicine he suffered, the old butler Xu He's face had long become extremely ugly. As soon as he entered the door, he just knelt down with a "thump".

"Little miracle doctor, I'm in trouble!" Mr. Xu ignored Xu He and said to Ye Xiu.

Ye Xiu nodded, stepped forward and took the bag, opened it in public, picked out a few painted black grass roots from it, placed them in front of the nose and smelled it, and then directly removed the soaked grass roots.

Then I saw that there was indeed a black insect body in the center, but the insect body had long died and stuck to it like glue.

"Haha..." Ye Xiu smiled, put the grass roots down in front of the old man, and whispered: "It's this thing, the face-raising Gu!"

Two cold lights burst out from Mr. Xu's eyes, staring at Xu He.
Chapter completed!