The invention discloses a multipurpose comb. The comb can make a person comfortable in a good manner, so that liquid is delivered between comb teeth by directly squeezing hollow bone tubes by way of a combing device, namely liquid outlets communicated with the hollow bone tubes between the comb teeth; use of the comb needs to cooperate with a combing action; meanwhile, a brush can be arranged at a side of corresponding ends of the comb teeth of the combing device for direct use during dyeing and perming; a limiting slot is formed in each of two sides of a bracket; a fixing bump is arranged at each of two sides of a loading box; and the fixing bumps are matched with the limiting slots.