Sensor waterproof sheath and temperature and humidity sensor

The utility model discloses a sensor waterproof sheath and a temperature and humidity sensor, and relates to the field of sensing equipment, the technical scheme is that the sensor waterproof sheath comprises a main body part, a cavity used for accommodating a sensor body is arranged in the main body part, a through hole communicated with the outside is reserved on one side of the cavity, and the through hole is used as a channel for interaction between a sensing end of the sensor body and the external environment; and the connecting part is connected with the main body part, is provided with a connecting structure and is used for being connected with external equipment. The beneficial effects of the utility model are that the waterproof sheath is used for wrapping the outer side of the humiture sensor to form a waterproof structure. And the through hole reserved on the base serves as a sensing end through hole of the sensor, so that the normal use of the sensor is not influenced. And the connecting part arra