An easily disassembled lens module in a terminal device includes a lens assembly, a circuit board, and a structural member. The circuit board includes a first portion, a second portion, and a third portion which are connected in sequence. The first portion is connected to the lens assembly, the second portion and the third portion protrude from the lens assembly. The structural member includes a connecting portion fixed on the third portion and at least one pulling portion protruding from the third portion. After installation in the terminal device, the lens assembly can be disassembled by using the at least one pulling portion to pull on the structural member so that the lens assembly can be disassembled without using tools and without causing damage.