The invention provides crab binding equipment. The crab binding equipment comprises a drive assembly, an installing plate, a fixed table, a crab fixing assembly and a binding assembly. The fixed table is installed on the upper plate face of the installing plate, a groove for containing a crab is formed in the top face of the fixed table, the fixed table is provided with four containing grooves, two containing grooves form a set and are coaxially formed, the two sets of containing grooves are vertically formed, and the two containing grooves in the same set are both communicated with the groove. The crab fixing assembly is installed on the installing plate, and the drive assembly is in drive connection with the crab fixing assembly to drive the crab fixing assembly to move towards the groove and abut against the crab. The crab binding equipment is simple and reasonable in structure, convenient to machine and manufacture, low in manufacturing cost and convenient to install and use; meanwhile, the crab can be rapidly fixed through the crab binding equipment, a worker is not easily hurt in the fixing process, crab claws of the crab are not easily damaged, the crab binding efficiency is improved, and meanwhile the crab binding equipment is safe, reliable and convenient to use.