There are some differences in efficacy and smell between moxibustion box in red sand jar and moxibustion box in purple sand jar.

1. Effect: moxibustion box with red sand cylinder has a relatively poor cold dispelling effect, while moxibustion box with purple sand cylinder has a better cold dispelling effect, which can promote blood circulation, remove blood stasis, dredge meridians and promote blood circulation.

2. Smell: Red sand cans are mostly made of fire, so the smell is mostly burnt. The purple sand jar is used after treatment, so its smell is more special than that of the red sand jar.

Generally speaking, there are some differences in the effect and smell between moxibustion box and moxibustion box. Moxibustion box, purple sand jar, has better cold dispelling effect, and moxibustion box, red sand jar, has burnt smell.