There are different sizes of human immunoglobulin for rabies, if it is 250 IU each, the price of one is around 300 RMB. But not just one injection, if you want to inject, you need to calculate according to the weight, 20 IU per kg of body weight, so for an average adult, if the weight is 60Kg, you need to inject about 1200 IU of rabies immunoglobulin, that is, you need to inject about 5, the price of 5 is about 1500 yuan. If the weight is heavier, it will be higher than the price, and if the weight is lighter, it will be slightly less than this cost. Rabies immunoglobulin cannot be administered alone, but needs to be combined with the rabies vaccine. It takes about a week for the rabies vaccine to take effect, so rabies immunoglobulin can only be given during this time. If the rabies vaccine has been given for more than a week, there is no need to give rabies immunoglobulin at this time.