Mist-spray water tank and mist-spray toy train

A mist-spray water tank, comprising a water tank body, a water tank lid, a water-absorbing rod, and a top atomizing plate;

• wherein the water tank lid is located at an upper opening of the water tank body;
• a first end of the water tank lid is provided with an annular groove for installing the top atomizing plate, and a through hole is opened in a center of the annular groove;
• an upper end of the annular groove is provided with a top atomizing plate pressing member with an air outlet;
• and a second end of the water tank lid is provided with a water injection hole, and a water inlet cap is provided on the water injection hole;
• the water-absorbing rod is vertically positioned inside the water tank body, and a top end of the water-absorbing rod passes through the through hole of the annular groove and abuts against a bottom of the top atomizing plate, drawing water from a bottom of the water tank body upwards into the top atomizing plate;
• and
• the top atomizing plate is configured to atomize the water conveyed by the water-absorbing rod into a water mist, and the water mist is discharged from the air outlet of the top atomizing plate pressing member.