Disclosed is an OCT endoscopic scanning and imaging system with an automatic inflation/deflation device, comprising an OCT endoscopic scanning and imaging system and an automatic inflation/deflation device connected to the OCT endoscopic scanning and imaging system. The OCT endoscopic scanning and imaging system comprises a balloon (10), an inflation catheter, and an OCT microprobe. The automatic inflation/deflation device comprises a control and display module, an air pump (101), an inflation solenoid valve (102), a deflation solenoid valve (107), and a pressure sensor (103).