The offline training of Meituan crowdsourcing is to provide relevant training and guidance for crowdsourcing personnel to help them complete their tasks better. However, attending the training is not mandatory, and you can choose not to go. Participating in the training may make you better understand the workflow, rules and requirements of the crowdsourcing of Meituan, and improve your work efficiency and quality. However, if you have a certain understanding of crowdsourcing and are confident that you can complete the task, you can choose not to attend the training. However, it should be noted that if you choose not to attend the training, you may miss some useful information and skills, and you may need more time to adapt and master the work. The final decision depends on your assessment of your abilities and needs.