Dear Colleagues， 

你好！（“níhío”，Greeting in Chinese）。

We are thrilled to extend our invitation to you for the 17th International Congress of Toxicology-ICTXVII，taking place in the enchanting historical city of Beijing.The Chines Society of Toxicology（CST）is honored to collaborate with the International Union of Toxicology。

Join us from October15to182025，at the Guoce International Convention and Exhibition Center in Beijing，China，as the event will bring together scientists，professionals，and students from all regions of the globe to celebrate the unity of the worldwide toxicology community。

The theme of ICTXVII is“Safe Environment and Healthy Life.” Our Scientific Program Committee，in working with IUTOX and other member societies，is dedicated to crafting anoutstanding scientific program that highlights excellence and diversity in toxicology.Through the Deichmann lecture，plenary lectures，symposium sessions，continuing education cours，and workoptips，and workoptips unity to delve into the latest advancements in toxicological science，emerging technologies，and regulatory matters.In addition to the scientific program，we will plan a series of social activities to ensure that your experience is truly memorable。

Beijing，our host city for ICTXVII，is renowned asone of the world's most ancient capitals，with arich history spanning three millennia.This city boasts magnificent imperial architecture and cultural heritage sites.You will discover a wide array of museums，theaters，parks，bustling shop ping dictions，dings of museums.Furthermore，several world-famous heritage sites，including the Great Wall，the Forbidden City，the Ming Tomb，and the Summer Palace，are located just a short drive away from the city.We encourage you to explore the city during your stay in China。

We are looking forward to your participation，and we are committed to making ICTXVII an exceptional and unforgettable event。