The invention discloses a fixing member. The fixing member comprises a supporting part, a fixing part and sleeves; the supporting part comprises a first contact head and a supporting arm; the fixing part comprises a containing cavity, fixing arms and a second contact head; the containing cavity penetrates through the second contact head and the fixing arms; the sleeves are arranged on the fixing arms in a sleeving mode; the supporting arm is contained in the containing cavity; the first contact head abuts against the second contact head; the fixing part is provided with a fixing table; the supporting part is provided with a supporting table; the fixing table blocks the supporting table. By means of the fixing member, the fixing part penetrates through a first connecting part and a second connecting part, the supporting part is inserted into the fixing part, and the fixing table is used for blocking the supporting table so that the first connecting part and the second connecting part can be fixedly connected; a mounting tool is not needed; using convenience of the fixing member is improved, and the using cost of the fixing member is reduced; the problem of inconvenient usage due to the fact that the mounting tool is needed in the prior art is solved.