Disclosed is a washing ball which comprises a first tubular portion which is formed so as to vertically extend from the center of the upper end of the upper main body; a second tubular portion which is formed so as to vertically extend from the center of the upper end of the lower main body; multiple porous ceramic balls which are filled into both sides of the inside of the lower main body; a blocking film which prevents the multiple porous ceramic balls filled into the lower main body from moving out of position; and a laundry additive container which is removably inserted into the inner sides of the first tubular portion, the blocking film, and the second tubular portion which communicate with each other when the upper main body and the lower main body are coupled together.