Guijitang coffee is ok. It is understood that herbal coffee is introduced from Malaysia by Guangxi Guijitang Biotechnology Co., Ltd., and is made by mixing the extracts of coffee beans, maca, Dongge Ali, Guanana and other herbal plants with frozen extraction technology. Among them, the East Pueraria Ali is known as Malaysian ginseng, and clinical trials in Malaysian universities have proved that the East Pueraria Ali extract has the effects of improving physical strength and vitality, relieving fatigue, sterilizing, anti-ulcer and antipyretic. Maca has the reputation of South American ginseng, which is rich in high-protein nutrients and has the function of nourishing and strengthening the body. FAO once listed it as a nutritious food. As a rare plant and natural medicine, it has attracted more and more attention and research from botanists and medical experts. Guanana, known as the king of longevity, is one of the most nutritious plants found in the world today. It is rich in amino acids, various minerals, vitamins, carbohydrates, monoacids and alkaloids.