Tea seed heart has the effect of moving qi and stagnation, clearing heat and killing insects. Tea seed heart, for the Camellia sinensis plant oil tea mature seeds. It has the effect of promoting qi stagnation, clearing heat and killing insects. In clinical practice, it is mainly used for the treatment of gas stagnation and abdominal pain, diarrhea, skin itching, burns and fire injuries. The usage of Cha Zi Xin is generally, internal use: decoction soup use; external use: decoction water wash or powder dressing. The adverse reactions and contraindications of Cha Zi Xin are still unclear, such as the simultaneous use of other drugs may occur drug interactions, please consult your physician or pharmacist for details. If the patient has any discomfort, please go to a regular health care institution; if you need to use Cha Zi Xin, must be under the guidance of a professional doctor to use medication.