Plant hollow capsules are made of hydroxypropyl methylcellulose (HPMC) as raw materials. Not only are they purely natural, but plant hollow capsules can also promote the absorption and digestion of proteins, fats and carbohydrates, a technology not available in other capsule products. Advantages and characteristics. With the continuous enhancement of people's self-care consciousness and the development of vegetarianism, the use of gelatin capsules will carry certain animal diseases. However, plant capsules prevent mad cow disease and foot and mouth disease from harming human health and are affected by religion and other factors. 1. Plant-based capsule products will become the dominant direction for the development of the capsule industry.