A structure for fixing tent support legs comprise a connection sleeve which encompasses a bottom end portion of a support leg, and a leg sleeve provided with a first groove. The structure also includes a hook comprising a first end coupled with a tent fabric and a second end engaged and coupled with the leg sleeve. The first groove is configured to engage and couple the connection sleeve internally. The first groove is formed in such a way that a first opening at a first end of the first groove comprises a stop plate which locks the connection sleeve into the first groove. Moreover, the periphery of the connection sleeve comprises a plurality of bosses configured to engage the first groove, and a top portion of the bosses engage a bottom of the stop plate thereby coupling the connection sleeve to the leg sleeve.