The double color ball lottery is unified by the China Welfare Lottery Center, and the lottery is drawn every Tuesday, Thursday, and Sunday at 21:15 on China Educational Television Channel 1 (CETV-1).

China Welfare Lottery "Shuangseqiu" is a "lotto-type" welfare lottery jointly organized and issued by the China Welfare Lottery Issuance and Management Center and sold nationwide.

It will be sold online nationwide on February 16, 2003.

Use computer network system for distribution and sales, and regular TV lottery draws.

The provincial welfare lottery distribution centers involved in the sales of "Double Color Balls" are responsible for the specific organization and management of the "Double Color Ball" sales activities in the region, under the direct leadership of the China Welfare Lottery Center.

Extended information: The double-color ball award regulations: Lottery bonuses, lottery issuance fees and lottery public welfare funds are accrued based on 51%, 13% and 36% of current sales respectively.

Lottery bonuses are divided into current bonuses and adjustment funds, of which 49% are current bonuses and 2% are adjustment funds.

Adopt a national unified prize pool calculation.

The setting is divided into high and low prize levels. The first and second prizes are high prizes, and the third to sixth prizes are low prizes.

The current period's bonus minus the current period's low-level bonus is the current period's high-level bonus.