Crack can be used to relieve symptoms such as fever, headache, stuffy nose and sore throat caused by common cold or influenza, and can also be used to prevent and treat influenza.

LOGO is the English expression of logo or trademark, which plays a role in identifying and promoting companies with logo. Through image identification, consumers can remember the main body and brand culture of the company. Logo logo in the network is mainly a graphic symbol used by various websites to link with other websites, representing a website or a section of a website. In addition, LOGO is an early computer programming language, and it is also a programming language very close to natural language. It learns programming by drawing, which provides an entertaining teaching method for beginners, especially children.