A wind instrument rack is applicable to the placement of musical instrument and comprises a base and a clamping unit. The base comprises a front supporting bracket and a back supporting bracket extending backwards from the top part of the front supporting bracket. The clamping unit comprises a base rod arranged at the top end of the front supporting bracket, two clamping elements respectively arranged at two opposite ends of the base rod, and two torsion springs respectively arranged between the equal clamping elements and the base rod. The equal clamping elements can rotate relatively to the base rod between an unfolding position and a clamping position. The equal clamping elements move away from each other when at the unfolding position. The equal clamping elements more close to each other and clamp the neck part of the musical instrument when at the clamping position. As the equal clamping elements clamp the neck part of the musical instrument, the musical instrument can be stably and firmly fixed.