Zhangixalus pachyproctus, the protruded vent tree frog, thick anus tree frog, or white-lipped tree frog, is a species of frog in the family Rhacophoridae.

It is endemic to eastern China, Vietnam, and Thailand and predicted in Laos and Myanmar.

[1][2] The adult male frog measures approximately 74.2–83.3 mm in snout-vent length and the adult female frog approximately 102.4 mm.

The frog has white stripes down the sides of its jaw, body, and legs.

This Rhacophoridae article is a stub.