The method of streptomycin skin test and the observation of the results are as follows: 1. The method is streptomycin allergy test is usually done by intradermal injection of 0.1ml (containing 250u of streptomycin) of the test solution (for example, a bottle of streptomycin 1g, plus 3.5ml of 0.9 sodium chloride injection solution dissolved into 4ml, containing 250,000u per ml), and the test results are judged after 20 minutes according to the dermatome and the patient’s general condition. 2. It is the local appearance of the central halo mass, surrounding erythema, diameter greater than 1cm, or local erythema or accompanied by small blisters is positive. Only negative streptomycin allergy test results can be treated with streptomycin.