Constant-temperature faucet

The utility model discloses a constant temperature faucet, which relates to the field of bathroom accessories, and comprises a faucet body and a valve core, the faucet body is provided with a water inlet and a water outlet, the faucet body is provided with a water outlet channel communicated with the water outlet, and the water outlet channel is provided with an air inlet communicated with the outside. A one-way valve allowing external air to enter the water outlet channel in a one-way mode is arranged on the air inlet, certain negative pressure can be generated when water flow in the faucet body flows through the water inlet, then generated suction force can promote the one-way valve to be opened, the external air can enter the faucet body to be mixed into water, and the oxygen content in the water is increased; the shower head is simple in structure and can be achieved without an additional driving source, so that the promotion effect of shower on skin health is improved, in addition, due to the fact that a