“四功”:组集、撰文、辨伪和上网。能够按要求组编一部邮集,是每位集邮爱好者的基本功之一。这首先要占有一定的组集素材(邮品)、掌握有关知识,熟悉规则,再运用一些具体的制作技巧,将自己的邮品有机地编组起来,制作成一部规范的邮集。现比较流行的邮集类型主要有传统、专题、邮政史、航空、航天、极限、青少年、税票等类别。撰文指的是写邮文,能将自己的研究成果、集藏发现、组集体会、立场观点等形成流畅的文 “Four powers”: group set, author, identification and online. It is one of the basic skills of every philatelist to be able to compose a mailing list on demand. This first of all have to hold a certain set of material (stamps), master the relevant knowledge, familiar with the rules, and then use some of the specific production techniques, the organic stamp their mails together, made into a standardized postage. The more popular types of post are mainly traditional, feature, postal history, aviation, space, extreme, youth, tax stamps and other categories. Written refers to the written message, can be their own research results, set collection discovery, group collective experience, position, etc. to form a smooth view of the text