In the workplace, in order to avoid making cleaning staff feel uncomfortable or embarrassed about their education level, it is recommended to take the following measures: 1. **Use simple and clear language**: Try to use simple and direct language to communicate, and avoid using overly professional or complex terms. 2. **Focus on work topics**: Keep the conversation related to the work, make sure the content of the discussion is closely related to their responsibilities and scope of work, and avoid irrelevant and complex topics. 3. **Informal chat content**: Choose some light-hearted, daily chat topics, such as weather, hobbies or family life, which are more common and easy to participate in. 4. **Encourage communication and feedback**: Encourage cleaning staff to express their ideas and listen to their opinions, which will make them feel respected and valued. 5. **Provide training and support**: Provide cleaning staff with the necessary training and support to help them improve their skills and self-confidence, so as to better participate in work conversations. 6. **Respect individual differences**: Understand and respect everyone's background and education level, and avoid any form of discrimination or prejudice. Through these methods, you can create an inclusive and harmonious work environment where every employee feels comfortable and respected.