1, dry hard propolis blocks are generally not recommended to be eaten directly, because dry hard propolis blocks may contain heavy metals such as arsenic and lead, which are easy to be poisoned due to the accumulation of heavy metals. If you must eat, you can also make propolis wine. The practice is to soak propolis in high-alcohol liquor for at least three days, and then mix the filtrate with moderately low-alcohol liquor for drinking.

2. The dry and hard propolis block is called original propolis, so it is not recommended to eat it directly because it may contain heavy metals such as arsenic and lead. The original propolis can be made into pure propolis through precise extraction process, which can be eaten directly, and can also be processed into mainstream propolis products such as propolis tablets, propolis oral liquid and propolis soft capsules through different processes.