1. Consult local social welfare organizations, such as the Disabled Persons' Federation and the Deaf-mute Association, and they will provide relevant training and employment support services. These organizations will organize or cooperate to hold cleaning training courses for deaf people.

2. Searching the information of cleaning training courses for the deaf and dumb on the Internet will lead to some online training resources or related institutions. You can find relevant information through search engines, social media or professional forums.