There are benefits and disadvantages to eating betel nut, the most common benefits are as follows: 1. After eating betel nut, the body will show symptoms of mental excitement, accompanied by flushed cheeks and slight sweating on the body, so after eating betel nut can play a certain role in the cold. 2. Betel nut has a certain effect on digestion and absorption, after eating betel nut can eliminate fatigue and promote digestion and absorption. 3. For some parasites, such as roundworms, tapeworms, hookworms, etc., has a certain therapeutic effect, has the effect of killing worms, lowering Qi and moving stagnation, moving water and dampness.