antd + meteor make a explain for meteor issue meteor/meteor#8399 https://ant.design/docs/react/introduce#Usage Use babel-plugin-import (Recommended) https://github.com/ant-design/babel-plugin-import This allows you to import components from antd without having to manually import the corresponding stylesheet. The antd babel plugin will automatically import stylesheets. // import js and css modularly, parsed by babel-plugin-import import { DatePicker } from 'antd'; Manually import import DatePicker from 'antd/lib/date-picker'; // for js import 'antd/lib/date-picker/style/css'; // for css // import 'antd/lib/date-picker/style'; // that will import less