C235

Su Zhi reached out to help massage his back, "It's not good for you to cough like this, let the servants boil some Chuan Bei Xue pear or give you some ointment, it's useful in treating cough and to protect your throat."

The teenager shook his head, "It's useless. Luckily, Mister Luo is willing to put in effort to refine medicine with me. The other herbs really can't cure this disease