Daily and emergent multi -purpose straight drink cup

The utility model discloses a daily and emergent multi -purpose straight drink cup comprises bowl cover, cock, inner bag, cup, primary filtering layer, activated carbon column, thin filtering layer, duolite, water sucking mouth and cup handle. Wherein the inner bag is fixed in the cup top through threaded connection, the bowl cover covers in inner bag top outside, the cock is filled in in inner bag top the inside, primary filtering layer is located apart from inner bag top 20~30mm department, activated carbon column highly is 20~40mm, is located between primary filtering layer and the thin filtering layer, thin filtering layer is located apart from inner bag bottom 20~40mm department, duolite is located between inner bag bottom and the thin filtering layer, the water sucking mouth is located apart from cup top 30~50mm department. But life is maintain to various water sources purification at one's side for the drinking water to its emergency when various disaster accidents, get the rescue time, or purify water