Cilantro, also known as coriander, is usually not particularly harmful as a medicinal food, except in cases where its consumption is contraindicated. Its effects are to strengthen the stomach, publish and penetrate rashes. The whole grass of the coriander plant bowtie, is a flavor-enhancing vegetable, but also a traditional Chinese medicine, warm, pungent, to the lungs, stomach meridian. The harm of coriander boiled water to drink is not yet clear, there is no relevant clinical reports. As a traditional Chinese medicine, it passes through the heart and spleen internally and reaches the limbs externally, can open the stomach and eliminate depression, publish and penetrate the rash, and is mainly used for colds without sweating and impenetrable measles. The contraindications of coriander are that it cannot be consumed by children after the measles have penetrated; it is not suitable for patients with weak qi, cancer, gastric and duodenal ulcers, chronic eye diseases and skin diseases; and it is not recommended to consume it for those who suffer from the impenetrable measles due to the accumulation of heat and toxicity. Coriander, if you need to use as a traditional Chinese medicine to treat diseases, you need to apply in the Chinese medicine practitioner’s diagnosis, do not self-medication, to avoid causing adverse consequences.