A control handle of a photography support stand and a photography support stand are provided. The control handle is configured to unlock or lock a support leg locking assembly of the photography support stand, and includes a handle housing and a hydraulic cylinder arranged in the handle housing. The hydraulic cylinder includes a cylinder body and a first piston. The cylinder body is defined with a hydraulic chamber for storing hydraulic fluid and a through hole that is communicated with the hydraulic chamber and configured to allow the hydraulic fluid to enter and exit the hydraulic chamber. The through hole is communicated with the support leg locking assembly. The first piston is slidably arranged in the hydraulic chamber and configured to expel the hydraulic fluid in the hydraulic chamber through the through hole or draw the hydraulic fluid back into the hydraulic chamber through the through hole.