To easily mount a mosquito net in a baby car so as to be portable.

This mosquito net, using a cloth 2 of good permeability, is sewn in hanging bell shape capable of corresponding to a baby car of both A-/B-type. A part touching the ground surface is used with vinyl 4. The mosquito net is stabilized and fixed, also dirt of mud or the like is easily removed, in addition, rubber is put into this vinyl part, to provide more adhesion to the baby car, so as to prevent infiltration of mosquitoes, insect, etc., An opening/ closing mouth 3 is provided in a side part. The mosquito net, when it is stored, can be stored in roundness in a storage bag 1.