Catechin compounds are composed of epigallocatechin, catechin gallate, etc. Catechin compounds can be taken in moderation, but should not be taken in excess. Catechin analogues are the main components of tea polyphenols in tea, and catechin analogues include epigallocatechin, catechin gallate, epigallocatechin, epigallocatechin gallate, epigallocatechin gallate and other components. It is recommended to consume moderate amount of catechin analogs in general, and to avoid excessive intake, as overdose of catechin analogs may cause adverse reactions such as heart palpitations. It is recommended to take catechin analogues under the guidance of a doctor, to avoid taking catechin analogues without authorization. In addition to this. Because of the overdose of catechins after the occurrence of serious palpitations need to consult a doctor, follow the doctor’s advice to choose the appropriate measures to treat.