Safe non-invasive needle

The utility model discloses a safety type no-damage needle which comprises a box body formed by a base and an upper cover in a matched mode, a needle hole allowing a needle tube to penetrate through is formed in the lower bottom face of the base, a butterfly wing is detachably arranged on the upper cover, the butterfly wing is connected with a guide pipe, and an opening is formed in the upper cover so that the tail end of the needle tube can be fixedly connected with the butterfly wing and stretch into the guide pipe. The inner surface of the upper cover is provided with a group of extending walls extending towards the base, the extending walls at least divide the interior of the box body into a first containing cavity, a second containing cavity and a third containing cavity, the bottom of the first containing cavity is provided with a needle hole, the top of the first containing cavity is provided with an opening, a telescopic film is arranged in the first containing cavity, and the two ends of the telescop