近年随着我国改革开放不断深入，国际间交往日益密切，引种量在逐年递增，了解我国出入境检验检疫有关规定是顺利引种的关键。以下介绍国外引种必须办理的有关检验检疫手续。 １、引进所有品种的种子、苗木及其它繁殖材料都必须办理输出国官方检验检疫机构出具的植物检疫证书（ In recent years, with the continuous deepening of China’s reform and opening up, the international exchanges have become increasingly close, and the introduction volume has been increasing year by year. It is the key to successfully understand the relevant provisions on entry-exit inspection and quarantine in China. The following describes the introduction of foreign countries must apply for inspection and quarantine procedures. 1, the introduction of all varieties of seeds, seedlings and other reproductive materials must apply for the exporting country’s official inspection and quarantine authorities issued a phytosanitary certificate (