Abstract: The paper analyzed development status of automation technology for fully mechanized coal face of thin seam at home and abroad, introduced structure of automation system of fully mechanized coal face of thin seam, and automation control technology for shearer, electro-hydraulic control technology for hydraulic support, automation control technology for scraper conveyor and visualized monitoring technology of mining space environment. It pointed out development trend of automation technology for fully mechanized coal face of thin seam, that is to use advanced technique to improve working reliability of devices such as shearer and hydraulic support; to improve automation degree of automation system of fully mechanized coal face of thin seam, perfect control system and fault diagnosis system and improve adaptability for mining environments; to develop from chain traction to no-chain traction and electric traction; to further study visualized monitoring system of fully mechanized coal face.