He Danggui ran towards the bulging stuff on the ground and picked it up. With the help of the light of the sky, she found that it was an octagonal cedar box. The box was as large as a cattail leaf fan with words written on the lid. At that time, it was dim and unclear. He Danggui felt anxious, so she lit up Huo Zhe Zi (a tight roll of rough paper keeping in an airtight tube box, which could be carried around and was easy to rekindle once it was exposed into the air ...