By putting fresh betel nut into boiling water for high temperature treatment, part of the water in the fresh betel nut is evaporated to soften the betel nut fiber, and at the same time, the bitterness, astringency, diseases, pests, impurities and pesticide residues are removed. Fixing green is a process of primary processing of edible betel nut in Hunan province. Because fresh fruit is not easy to preserve, the harvested fresh fruit has a respiratory peak and is prone to mildew.

specifically, picking fresh betel nuts with seven to eight ripe fruits and boiling them in boiling water at high temperature for 4-6 minutes. In this way, part of the water in the fresh betel nut itself is lost, the betel nut fiber becomes soft after cooking, the astringency and bitterness of the fresh fruit itself become weak, and some diseases, pests, impurities and pesticide residues attached to the betel nut skin are also disinfected and removed with high-temperature cooking.